{"countries": [{"country": "ES", "country_iso3": "ESP", "label": {"de": "Spanien", "en": "Spain"}, "note": {"de": "Alle autonomen Gemeinschaften nehmen mit erweiterter Stichprobe teil, seit 2018 auch Ceuta und Melilla. Erst seit 2022 traegt das oeffentliche OECD-File die Variable REGION; 2015 und 2018 steht die Region ausschliesslich in den Ziehungsschichten (STRATUM), aus denen sie hier zurueckgewonnen wird. 2015 enthaelt das internationale File nur die Basisstichprobe (rund 6.700 Schueler) \u2014 die Regionalzellen sind dort entsprechend klein.", "en": "All autonomous communities take part with an extended sample, Ceuta and Melilla since 2018. Only the public OECD files from 2022 on carry the REGION variable; for 2015 and 2018 the region survives only in the sampling strata (STRATUM) and is recovered from them here. The 2015 international file holds just the base sample (about 6,700 students), so its regional cells are small."}, "generated": "2026-09-08", "min_students": 15, "cycles": [2015, 2018, 2022, 2025], "region_source": {"2015": "stratum", "2018": "stratum", "2022": "region", "2025": "region"}, "source": "OECD PISA Scientific Use Files (Student questionnaire, 2015, 2018, 2022, 2025). Eigene Berechnung: Mittelwerte ueber alle Plausible Values, Standardfehler per Balanced Repeated Replication (Fay 0.5, 80 Replikate). Erzeugt mit scripts/compute_pisa_regional_migration.py", "regions": {"ES-AN": {"de": "Andalusien", "en": "Andalusia", "adjudicated": true, "residual": false}, "ES-AR": {"de": "Aragon", "en": "Aragon", "adjudicated": true, "residual": false}, "ES-AS": {"de": "Asturien", "en": "Asturias", "adjudicated": true, "residual": false}, "ES-CB": {"de": "Kantabrien", "en": "Cantabria", "adjudicated": true, "residual": false}, "ES-CE": {"de": "Ceuta", "en": "Ceuta", "adjudicated": true, "residual": false}, "ES-CEML": {"de": "Ceuta und Melilla", "en": "Ceuta and Melilla", "adjudicated": false, "residual": false}, "ES-CL": {"de": "Kastilien und Leon", "en": "Castile and Leon", "adjudicated": true, "residual": false}, "ES-CM": {"de": "Kastilien-La Mancha", "en": "Castile-La Mancha", "adjudicated": true, "residual": false}, "ES-CN": {"de": "Kanarische Inseln", "en": "Canary Islands", "adjudicated": true, "residual": false}, "ES-CT": {"de": "Katalonien", "en": "Catalonia", "adjudicated": true, "residual": false}, "ES-EX": {"de": "Extremadura", "en": "Extremadura", "adjudicated": true, "residual": false}, "ES-GA": {"de": "Galicien", "en": "Galicia", "adjudicated": true, "residual": false}, "ES-IB": {"de": "Balearen", "en": "Balearic Islands", "adjudicated": true, "residual": false}, "ES-MC": {"de": "Murcia", "en": "Murcia", "adjudicated": true, "residual": false}, "ES-MD": {"de": "Madrid", "en": "Madrid", "adjudicated": true, "residual": false}, "ES-ML": {"de": "Melilla", "en": "Melilla", "adjudicated": true, "residual": false}, "ES-NC": {"de": "Navarra", "en": "Navarre", "adjudicated": true, "residual": false}, "ES-PV": {"de": "Baskenland", "en": "Basque Country", "adjudicated": true, "residual": false}, "ES-RI": {"de": "La Rioja", "en": "La Rioja", "adjudicated": true, "residual": false}, "ES-VC": {"de": "Valencianische Gemeinschaft", "en": "Comunidad Valenciana", "adjudicated": true, "residual": false}}, "rows": [{"year": 2015, "region": "ES-AN", "group": "overall", "students": 1306, "weighted_share": 100.0, "math": 467.2, "math_se": 5.5, "reading": 479.3, "reading_se": 6.1, "science": 473.8, "science_se": 5.5, "escs": -0.79, "home_test_lang_share": 97.1}, {"year": 2015, "region": "ES-AN", "group": "native", "students": 1223, "weighted_share": 93.12, "math": 469.3, "math_se": 5.4, "reading": 480.8, "reading_se": 5.9, "science": 476.1, "science_se": 5.3, "escs": -0.797, "home_test_lang_share": 99.1}, {"year": 2015, "region": "ES-AN", "group": "first_generation", "students": 41, "weighted_share": 3.53, "math": 431.8, "math_se": 18.9, "reading": 453.2, "reading_se": 21.1, "science": 438.7, "science_se": 22.7, "escs": -0.741, "home_test_lang_share": 56.6}, {"year": 2015, "region": "ES-AR", "group": "overall", "students": 210, "weighted_share": 100.0, "math": 508.2, "math_se": 12.9, "reading": 511.5, "reading_se": 10.6, "science": 512.9, "science_se": 10.9, "escs": -0.433, "home_test_lang_share": 95.5}, {"year": 2015, "region": "ES-AR", "group": "native", "students": 191, "weighted_share": 91.0, "math": 514.7, "math_se": 14.9, "reading": 518.0, "reading_se": 13.5, "science": 518.9, "science_se": 13.4, "escs": -0.396, "home_test_lang_share": 98.2}, {"year": 2015, "region": "ES-AS", "group": "overall", "students": 129, "weighted_share": 100.0, "math": 497.6, "math_se": 14.6, "reading": 485.0, "reading_se": 19.0, "science": 498.7, "science_se": 16.8, "escs": -0.28, "home_test_lang_share": 97.0}, {"year": 2015, "region": "ES-AS", "group": "native", "students": 123, "weighted_share": 93.45, "math": 504.8, "math_se": 14.7, "reading": 490.8, "reading_se": 18.3, "science": 505.6, "science_se": 15.5, "escs": -0.263, "home_test_lang_share": 99.0}, {"year": 2015, "region": "ES-CB", "group": "overall", "students": 141, "weighted_share": 100.0, "math": 514.6, "math_se": 12.5, "reading": 528.0, "reading_se": 17.3, "science": 520.5, "science_se": 11.4, "escs": -0.171, "home_test_lang_share": 96.9}, {"year": 2015, "region": "ES-CB", "group": "native", "students": 133, "weighted_share": 94.54, "math": 518.9, "math_se": 10.8, "reading": 531.4, "reading_se": 14.8, "science": 524.5, "science_se": 8.7, "escs": -0.154, "home_test_lang_share": 98.5}, {"year": 2015, "region": "ES-CEML", "group": "overall", "students": 135, "weighted_share": 100.0, "math": 428.1, "math_se": 25.1, "reading": 428.2, "reading_se": 36.0, "science": 417.4, "science_se": 28.3, "escs": -1.185, "home_test_lang_share": 83.6}, {"year": 2015, "region": "ES-CEML", "group": "native", "students": 116, "weighted_share": 73.77, "math": 431.5, "math_se": 27.9, "reading": 432.7, "reading_se": 39.1, "science": 421.2, "science_se": 31.9, "escs": -0.861, "home_test_lang_share": 92.6}, {"year": 2015, "region": "ES-CL", "group": "overall", "students": 246, "weighted_share": 100.0, "math": 494.1, "math_se": 8.6, "reading": 515.0, "reading_se": 7.6, "science": 506.2, "science_se": 5.2, "escs": -0.449, "home_test_lang_share": 99.2}, {"year": 2015, "region": "ES-CL", "group": "native", "students": 226, "weighted_share": 91.91, "math": 497.9, "math_se": 9.7, "reading": 517.4, "reading_se": 8.5, "science": 509.8, "science_se": 6.3, "escs": -0.394, "home_test_lang_share": 99.6}, {"year": 2015, "region": "ES-CL", "group": "first_generation", "students": 15, "weighted_share": 6.06, "math": 433.3, "math_se": 17.8, "reading": 479.2, "reading_se": 10.6, "science": 450.2, "science_se": 18.4, "escs": -1.334, "home_test_lang_share": 92.8}, {"year": 2015, "region": "ES-CM", "group": "overall", "students": 293, "weighted_share": 100.0, "math": 487.9, "math_se": 4.9, "reading": 488.6, "reading_se": 7.2, "science": 488.9, "science_se": 7.5, "escs": -0.925, "home_test_lang_share": 95.6}, {"year": 2015, "region": "ES-CM", "group": "native", "students": 259, "weighted_share": 87.92, "math": 495.4, "math_se": 4.9, "reading": 495.0, "reading_se": 7.2, "science": 496.4, "science_se": 7.8, "escs": -0.888, "home_test_lang_share": 98.3}, {"year": 2015, "region": "ES-CM", "group": "first_generation", "students": 24, "weighted_share": 8.69, "math": 429.6, "math_se": 18.7, "reading": 439.4, "reading_se": 14.4, "science": 431.2, "science_se": 21.0, "escs": -1.394, "home_test_lang_share": 75.5}, {"year": 2015, "region": "ES-CN", "group": "overall", "students": 296, "weighted_share": 100.0, "math": 445.4, "math_se": 8.2, "reading": 486.9, "reading_se": 7.6, "science": 473.5, "science_se": 8.0, "escs": -1.042, "home_test_lang_share": 95.7}, {"year": 2015, "region": "ES-CN", "group": "native", "students": 262, "weighted_share": 88.94, "math": 446.4, "math_se": 7.5, "reading": 490.4, "reading_se": 7.9, "science": 476.4, "science_se": 8.3, "escs": -1.0, "home_test_lang_share": 97.2}, {"year": 2015, "region": "ES-CN", "group": "first_generation", "students": 17, "weighted_share": 5.4, "math": 443.9, "math_se": 18.8, "reading": 470.9, "reading_se": 15.8, "science": 464.3, "science_se": 11.5, "escs": -1.434, "home_test_lang_share": 75.0}, {"year": 2015, "region": "ES-CT", "group": "overall", "students": 1037, "weighted_share": 100.0, "math": 500.1, "math_se": 5.7, "reading": 498.6, "reading_se": 6.6, "science": 503.0, "science_se": 6.0, "escs": -0.313, "home_test_lang_share": 40.4}, {"year": 2015, "region": "ES-CT", "group": "native", "students": 843, "weighted_share": 79.87, "math": 513.8, "math_se": 4.7, "reading": 512.6, "reading_se": 5.0, "science": 518.1, "science_se": 4.7, "escs": -0.17, "home_test_lang_share": 48.5}, {"year": 2015, "region": "ES-CT", "group": "second_generation", "students": 31, "weighted_share": 3.11, "math": 450.3, "math_se": 16.6, "reading": 450.3, "reading_se": 18.1, "science": 441.8, "science_se": 17.7, "escs": -1.293, "home_test_lang_share": 0.0}, {"year": 2015, "region": "ES-CT", "group": "first_generation", "students": 127, "weighted_share": 13.2, "math": 445.8, "math_se": 9.6, "reading": 443.6, "reading_se": 12.0, "science": 445.8, "science_se": 10.5, "escs": -0.861, "home_test_lang_share": 3.2}, {"year": 2015, "region": "ES-EX", "group": "overall", "students": 188, "weighted_share": 100.0, "math": 468.0, "math_se": 8.4, "reading": 455.4, "reading_se": 6.7, "science": 459.0, "science_se": 5.0, "escs": -0.726, "home_test_lang_share": 96.8}, {"year": 2015, "region": "ES-EX", "group": "native", "students": 178, "weighted_share": 93.52, "math": 470.5, "math_se": 8.8, "reading": 457.7, "reading_se": 6.4, "science": 461.8, "science_se": 4.4, "escs": -0.71, "home_test_lang_share": 98.3}, {"year": 2015, "region": "ES-GA", "group": "overall", "students": 262, "weighted_share": 100.0, "math": 494.1, "math_se": 10.4, "reading": 501.4, "reading_se": 8.4, "science": 514.0, "science_se": 8.8, "escs": -0.582, "home_test_lang_share": 72.0}, {"year": 2015, "region": "ES-GA", "group": "native", "students": 252, "weighted_share": 96.03, "math": 495.8, "math_se": 9.6, "reading": 503.5, "reading_se": 7.8, "science": 516.1, "science_se": 8.3, "escs": -0.598, "home_test_lang_share": 72.9}, {"year": 2015, "region": "ES-IB", "group": "overall", "students": 167, "weighted_share": 100.0, "math": 490.5, "math_se": 15.8, "reading": 488.6, "reading_se": 18.2, "science": 497.1, "science_se": 17.0, "escs": -0.433, "home_test_lang_share": 45.7}, {"year": 2015, "region": "ES-IB", "group": "native", "students": 132, "weighted_share": 77.32, "math": 501.4, "math_se": 11.4, "reading": 498.0, "reading_se": 14.5, "science": 506.2, "science_se": 11.1, "escs": -0.366, "home_test_lang_share": 55.9}, {"year": 2015, "region": "ES-IB", "group": "first_generation", "students": 23, "weighted_share": 14.75, "math": 451.3, "math_se": 24.8, "reading": 461.0, "reading_se": 23.0, "science": 472.3, "science_se": 28.0, "escs": -0.749, "home_test_lang_share": 0.0}, {"year": 2015, "region": "ES-MC", "group": "overall", "students": 248, "weighted_share": 100.0, "math": 472.3, "math_se": 9.3, "reading": 495.1, "reading_se": 7.1, "science": 481.7, "science_se": 10.4, "escs": -0.825, "home_test_lang_share": 90.8}, {"year": 2015, "region": "ES-MC", "group": "native", "students": 205, "weighted_share": 77.09, "math": 481.3, "math_se": 7.7, "reading": 505.8, "reading_se": 5.9, "science": 493.2, "science_se": 8.3, "escs": -0.573, "home_test_lang_share": 100.0}, {"year": 2015, "region": "ES-MC", "group": "first_generation", "students": 32, "weighted_share": 17.28, "math": 448.2, "math_se": 14.5, "reading": 459.9, "reading_se": 15.1, "science": 446.6, "science_se": 16.8, "escs": -1.692, "home_test_lang_share": 59.9}, {"year": 2015, "region": "ES-MD", "group": "overall", "students": 788, "weighted_share": 100.0, "math": 500.8, "math_se": 6.9, "reading": 516.7, "reading_se": 7.1, "science": 511.8, "science_se": 5.8, "escs": -0.07, "home_test_lang_share": 94.3}, {"year": 2015, "region": "ES-MD", "group": "native", "students": 649, "weighted_share": 81.3, "math": 512.5, "math_se": 6.6, "reading": 528.2, "reading_se": 6.5, "science": 522.6, "science_se": 4.9, "escs": 0.127, "home_test_lang_share": 98.2}, {"year": 2015, "region": "ES-MD", "group": "second_generation", "students": 21, "weighted_share": 2.96, "math": 472.3, "math_se": 16.4, "reading": 487.0, "reading_se": 23.4, "science": 485.5, "science_se": 22.9, "escs": -0.926, "home_test_lang_share": 80.2}, {"year": 2015, "region": "ES-MD", "group": "first_generation", "students": 105, "weighted_share": 13.9, "math": 450.1, "math_se": 9.4, "reading": 466.9, "reading_se": 11.4, "science": 467.0, "science_se": 9.3, "escs": -0.882, "home_test_lang_share": 73.9}, {"year": 2015, "region": "ES-NC", "group": "overall", "students": 155, "weighted_share": 100.0, "math": 518.2, "math_se": 14.6, "reading": 524.5, "reading_se": 8.9, "science": 521.9, "science_se": 6.9, "escs": -0.23, "home_test_lang_share": 65.2}, {"year": 2015, "region": "ES-NC", "group": "native", "students": 141, "weighted_share": 89.52, "math": 521.3, "math_se": 13.3, "reading": 524.5, "reading_se": 10.6, "science": 520.9, "science_se": 6.6, "escs": -0.094, "home_test_lang_share": 64.6}, {"year": 2015, "region": "ES-PV", "group": "overall", "students": 407, "weighted_share": 100.0, "math": 489.8, "math_se": 6.9, "reading": 482.3, "reading_se": 9.3, "science": 482.8, "science_se": 7.4, "escs": -0.101, "home_test_lang_share": 81.9}, {"year": 2015, "region": "ES-PV", "group": "native", "students": 350, "weighted_share": 92.35, "math": 495.1, "math_se": 7.7, "reading": 486.0, "reading_se": 9.5, "science": 487.2, "science_se": 7.8, "escs": -0.029, "home_test_lang_share": 85.0}, {"year": 2015, "region": "ES-PV", "group": "first_generation", "students": 42, "weighted_share": 6.05, "math": 414.5, "math_se": 15.3, "reading": 425.9, "reading_se": 21.7, "science": 417.7, "science_se": 18.8, "escs": -1.035, "home_test_lang_share": 42.5}, {"year": 2015, "region": "ES-RI", "group": "overall", "students": 121, "weighted_share": 100.0, "math": 526.7, "math_se": 18.1, "reading": 539.3, "reading_se": 23.4, "science": 536.3, "science_se": 22.2, "escs": -0.215, "home_test_lang_share": 97.3}, {"year": 2015, "region": "ES-RI", "group": "native", "students": 104, "weighted_share": 86.56, "math": 538.7, "math_se": 18.8, "reading": 547.4, "reading_se": 22.0, "science": 545.5, "science_se": 20.9, "escs": -0.11, "home_test_lang_share": 99.3}, {"year": 2015, "region": "ES-VC", "group": "overall", "students": 607, "weighted_share": 100.0, "math": 480.9, "math_se": 5.4, "reading": 497.8, "reading_se": 6.7, "science": 486.1, "science_se": 4.9, "escs": -0.563, "home_test_lang_share": 72.9}, {"year": 2015, "region": "ES-VC", "group": "native", "students": 509, "weighted_share": 82.64, "math": 486.5, "math_se": 5.6, "reading": 504.1, "reading_se": 6.7, "science": 490.5, "science_se": 5.4, "escs": -0.5, "home_test_lang_share": 76.1}, {"year": 2015, "region": "ES-VC", "group": "first_generation", "students": 68, "weighted_share": 12.19, "math": 458.4, "math_se": 12.4, "reading": 470.9, "reading_se": 14.5, "science": 471.0, "science_se": 11.0, "escs": -0.81, "home_test_lang_share": 55.6}, {"year": 2018, "region": "ES-AN", "group": "overall", "students": 1766, "weighted_share": 100.0, "math": 467.4, "math_se": 4.2, "reading": 465.8, "reading_se": 5.3, "science": 470.9, "science_se": 4.4, "escs": -0.35, "home_test_lang_share": 95.9}, {"year": 2018, "region": "ES-AN", "group": "native", "students": 1609, "weighted_share": 90.59, "math": 469.9, "math_se": 4.3, "reading": 468.1, "reading_se": 5.6, "science": 473.2, "science_se": 4.7, "escs": -0.32, "home_test_lang_share": 98.8}, {"year": 2018, "region": "ES-AN", "group": "second_generation", "students": 38, "weighted_share": 2.07, "math": 452.9, "math_se": 17.8, "reading": 470.7, "reading_se": 14.7, "science": 471.8, "science_se": 16.0, "escs": -0.605, "home_test_lang_share": 67.0}, {"year": 2018, "region": "ES-AN", "group": "first_generation", "students": 73, "weighted_share": 4.38, "math": 448.4, "math_se": 11.7, "reading": 454.9, "reading_se": 10.2, "science": 447.2, "science_se": 11.0, "escs": -0.848, "home_test_lang_share": 49.5}, {"year": 2018, "region": "ES-AR", "group": "overall", "students": 1797, "weighted_share": 100.0, "math": 496.7, "math_se": 5.9, "reading": 489.5, "reading_se": 4.6, "science": 493.5, "science_se": 5.3, "escs": -0.022, "home_test_lang_share": 92.5}, {"year": 2018, "region": "ES-AR", "group": "native", "students": 1500, "weighted_share": 82.47, "math": 506.3, "math_se": 6.3, "reading": 496.9, "reading_se": 4.7, "science": 501.0, "science_se": 5.6, "escs": 0.129, "home_test_lang_share": 97.5}, {"year": 2018, "region": "ES-AR", "group": "second_generation", "students": 111, "weighted_share": 6.6, "math": 457.8, "math_se": 10.7, "reading": 460.3, "reading_se": 12.0, "science": 462.0, "science_se": 11.6, "escs": -0.848, "home_test_lang_share": 65.6}, {"year": 2018, "region": "ES-AR", "group": "first_generation", "students": 134, "weighted_share": 8.03, "math": 450.4, "math_se": 8.3, "reading": 457.9, "reading_se": 7.5, "science": 461.8, "science_se": 7.5, 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7.6, "reading": 439.8, "reading_se": 8.2, "science": 456.6, "science_se": 7.9, "escs": -0.865, "home_test_lang_share": 62.2}, {"year": 2025, "region": "ES-RI", "group": "first_generation", "students": 139, "weighted_share": 11.31, "math": 392.2, "math_se": 8.3, "reading": 401.3, "reading_se": 10.0, "science": 415.6, "science_se": 9.3, "escs": -0.795, "home_test_lang_share": 70.4}, {"year": 2025, "region": "ES-VC", "group": "overall", "students": 1712, "weighted_share": 100.0, "math": 434.7, "math_se": 5.2, "reading": 423.5, "reading_se": 5.8, "science": 450.2, "science_se": 5.5, "escs": -0.04, "home_test_lang_share": 69.6}, {"year": 2025, "region": "ES-VC", "group": "native", "students": 1176, "weighted_share": 68.16, "math": 451.1, "math_se": 5.1, "reading": 439.5, "reading_se": 5.8, "science": 468.6, "science_se": 5.2, "escs": 0.164, "home_test_lang_share": 79.7}, {"year": 2025, "region": "ES-VC", "group": "second_generation", "students": 188, "weighted_share": 10.86, "math": 423.6, "math_se": 7.8, "reading": 420.5, "reading_se": 8.9, "science": 440.9, "science_se": 7.9, "escs": -0.654, "home_test_lang_share": 47.9}, {"year": 2025, "region": "ES-VC", "group": "first_generation", "students": 253, "weighted_share": 15.14, "math": 398.2, "math_se": 7.9, "reading": 390.0, "reading_se": 9.6, "science": 409.5, "science_se": 9.0, "escs": -0.446, "home_test_lang_share": 42.7}], "file": "/data/regional/es-pisa-region-migration.json", "coverage": [{"year": 2015, "regions": 18, "students": 6736, "source": "stratum"}, {"year": 2018, "regions": 19, "students": 35943, "source": "stratum"}, {"year": 2022, "regions": 19, "students": 30800, "source": "region"}, {"year": 2025, "regions": 19, "students": 29966, "source": "region"}]}, {"country": "PT", "country_iso3": "PRT", "label": {"de": "Portugal", "en": "Portugal"}, "note": {"de": "Portugal zieht seine Stichprobe in allen Zyklen nach NUTS3-Regionen; alle 25 Regionen sind durchgaengig besetzt. Eine offizielle REGION-Variable fuehrt nur das File 2015, und dort steht Portugal als Ganzes \u2014 die Regionswerte sind also nicht von der OECD adjudiziert, sondern aus den Ziehungsschichten gerechnet. Kleine Regionen kommen auf wenige hundert Schueler, ihre Standardfehler sind entsprechend gross.", "en": "Portugal draws its sample by NUTS3 region in every cycle, and all 25 regions are populated throughout. An official REGION variable exists only in the 2015 file, where Portugal appears as a whole \u2014 so these regional figures are computed from the sampling strata rather than adjudicated by the OECD. Small regions hold a few hundred students, so their standard errors are large."}, "generated": "2026-09-08", "min_students": 15, "cycles": [2015, 2018, 2022, 2025], "region_source": {"2015": "stratum", "2018": "stratum", "2022": "stratum", "2025": "stratum"}, "source": "OECD PISA Scientific Use Files (Student questionnaire, 2015, 2018, 2022, 2025). Eigene Berechnung: Mittelwerte ueber alle Plausible Values, Standardfehler per Balanced Repeated Replication (Fay 0.5, 80 Replikate). Erzeugt mit scripts/compute_pisa_regional_migration.py", "regions": {"PT111": {"de": "Alto Minho", "en": "Alto Minho", "adjudicated": false, "residual": false}, "PT112": {"de": "C\u00e1vado", "en": "C\u00e1vado", "adjudicated": false, "residual": false}, "PT119": {"de": "Ave", "en": "Ave", "adjudicated": false, "residual": false}, "PT11A": {"de": "Metropolregion Porto", "en": "Porto Metropolitan Area", "adjudicated": false, "residual": false}, "PT11B": {"de": "Alto T\u00e2mega", "en": "Alto T\u00e2mega", "adjudicated": false, "residual": false}, "PT11C": {"de": "T\u00e2mega e Sousa", "en": "T\u00e2mega e Sousa", "adjudicated": false, "residual": false}, "PT11D": {"de": "Douro", "en": "Douro", "adjudicated": false, "residual": false}, "PT11E": {"de": "Terras de Tr\u00e1s-os-Montes", "en": "Terras de Tr\u00e1s-os-Montes", "adjudicated": false, "residual": false}, "PT150": {"de": "Algarve", "en": "Algarve", "adjudicated": false, "residual": false}, "PT16B": {"de": "Oeste", "en": "Oeste", "adjudicated": false, "residual": false}, "PT16D": {"de": "Regi\u00e3o de Aveiro", "en": "Regi\u00e3o de Aveiro", "adjudicated": false, "residual": false}, "PT16E": {"de": "Regi\u00e3o de Coimbra", "en": "Regi\u00e3o de Coimbra", "adjudicated": false, "residual": false}, "PT16F": {"de": "Regi\u00e3o de Leiria", "en": "Regi\u00e3o de Leiria", "adjudicated": false, "residual": false}, "PT16G": {"de": "Viseu D\u00e3o Laf\u00f5es", "en": "Viseu D\u00e3o Laf\u00f5es", "adjudicated": false, "residual": false}, "PT16H": {"de": "Beira Baixa", "en": "Beira Baixa", "adjudicated": false, "residual": false}, "PT16I": {"de": "M\u00e9dio Tejo", "en": "M\u00e9dio Tejo", "adjudicated": false, "residual": false}, "PT16J": {"de": "Beiras e Serra da Estrela", "en": "Beiras e Serra da Estrela", "adjudicated": false, "residual": false}, "PT170": {"de": "Metropolregion Lissabon", "en": "Lisbon Metropolitan Area", "adjudicated": false, "residual": false}, "PT181": {"de": "Alentejo Litoral", "en": "Alentejo Litoral", "adjudicated": false, "residual": false}, "PT184": {"de": "Baixo Alentejo", "en": "Baixo Alentejo", "adjudicated": false, "residual": false}, "PT185": {"de": "Lez\u00edria do Tejo", "en": "Lez\u00edria do Tejo", "adjudicated": false, "residual": false}, "PT186": {"de": "Alto Alentejo", "en": "Alto Alentejo", "adjudicated": false, "residual": false}, "PT187": {"de": "Alentejo Central", "en": "Alentejo Central", "adjudicated": false, "residual": false}, "PT200": {"de": "Azoren", "en": "Azores", "adjudicated": true, "residual": false}, "PT300": {"de": "Madeira", "en": "Madeira", "adjudicated": false, "residual": false}}, "rows": [{"year": 2015, "region": "PT111", "group": "overall", "students": 162, "weighted_share": 100.0, "math": 517.7, "math_se": 11.0, "reading": 503.5, "reading_se": 16.8, "science": 516.9, "science_se": 15.3, "escs": -0.28, "home_test_lang_share": 96.4}, {"year": 2015, "region": "PT111", "group": "native", "students": 153, "weighted_share": 93.51, "math": 518.3, "math_se": 10.1, "reading": 505.1, "reading_se": 15.8, "science": 517.7, "science_se": 14.9, "escs": -0.314, "home_test_lang_share": 99.5}, {"year": 2015, "region": "PT112", "group": "overall", "students": 266, "weighted_share": 100.0, "math": 485.7, "math_se": 7.6, "reading": 487.9, "reading_se": 10.6, "science": 486.9, "science_se": 6.4, "escs": -0.721, "home_test_lang_share": 98.9}, {"year": 2015, "region": "PT112", "group": "native", "students": 257, "weighted_share": 96.79, "math": 486.8, "math_se": 7.2, "reading": 488.8, "reading_se": 10.8, "science": 488.1, "science_se": 6.3, "escs": -0.74, "home_test_lang_share": 99.6}, {"year": 2015, "region": "PT119", "group": "overall", "students": 259, "weighted_share": 100.0, "math": 484.1, "math_se": 14.9, "reading": 495.3, "reading_se": 12.5, "science": 488.6, "science_se": 14.6, "escs": -0.919, "home_test_lang_share": 99.2}, {"year": 2015, "region": "PT119", "group": "native", "students": 251, "weighted_share": 97.19, "math": 485.1, "math_se": 14.9, "reading": 495.8, "reading_se": 12.6, "science": 489.5, "science_se": 14.5, "escs": -0.931, "home_test_lang_share": 99.8}, {"year": 2015, "region": "PT11A", "group": "overall", "students": 972, "weighted_share": 100.0, "math": 496.4, "math_se": 5.8, "reading": 500.7, "reading_se": 5.3, "science": 506.3, "science_se": 5.1, "escs": -0.403, "home_test_lang_share": 99.0}, {"year": 2015, "region": "PT11A", "group": "native", "students": 923, "weighted_share": 94.88, "math": 497.3, "math_se": 6.2, "reading": 500.8, "reading_se": 5.7, "science": 506.6, "science_se": 5.4, "escs": -0.411, "home_test_lang_share": 99.5}, {"year": 2015, "region": "PT11A", "group": "second_generation", "students": 18, "weighted_share": 1.89, "math": 539.8, "math_se": 26.1, "reading": 548.2, "reading_se": 20.5, "science": 548.2, "science_se": 22.8, "escs": 0.207, "home_test_lang_share": 88.5}, {"year": 2015, "region": "PT11B", "group": "overall", "students": 67, "weighted_share": 100.0, "math": 461.1, "math_se": 43.7, "reading": 442.0, "reading_se": 42.3, "science": 460.8, "science_se": 40.3, "escs": -1.082, "home_test_lang_share": 100.0}, {"year": 2015, "region": "PT11B", "group": "native", "students": 63, "weighted_share": 94.85, "math": 466.0, "math_se": 43.4, "reading": 445.5, "reading_se": 43.1, "science": 465.7, "science_se": 40.2, "escs": -1.045, "home_test_lang_share": 100.0}, {"year": 2015, "region": "PT11C", "group": "overall", "students": 327, "weighted_share": 100.0, "math": 453.8, "math_se": 11.9, "reading": 456.5, "reading_se": 14.2, "science": 459.8, "science_se": 11.0, "escs": -1.085, "home_test_lang_share": 99.3}, {"year": 2015, "region": "PT11C", "group": "native", "students": 322, "weighted_share": 98.41, "math": 455.2, "math_se": 12.0, "reading": 457.7, "reading_se": 13.9, "science": 461.0, "science_se": 10.8, "escs": -1.087, "home_test_lang_share": 99.6}, {"year": 2015, "region": "PT11D", "group": "overall", "students": 116, "weighted_share": 100.0, "math": 508.7, "math_se": 39.1, "reading": 512.4, "reading_se": 38.5, "science": 521.5, "science_se": 40.0, "escs": -0.335, "home_test_lang_share": 97.8}, {"year": 2015, "region": "PT11D", "group": "native", "students": 111, "weighted_share": 95.08, "math": 508.4, "math_se": 38.9, "reading": 513.6, "reading_se": 38.5, "science": 521.1, "science_se": 39.5, "escs": -0.318, "home_test_lang_share": 98.8}, {"year": 2015, "region": "PT11E", "group": "overall", "students": 72, "weighted_share": 100.0, "math": 454.8, "math_se": 15.1, "reading": 456.3, "reading_se": 21.0, "science": 464.8, "science_se": 6.8, "escs": -0.502, "home_test_lang_share": 96.8}, {"year": 2015, "region": "PT11E", "group": "native", "students": 66, "weighted_share": 91.98, "math": 459.6, "math_se": 16.6, "reading": 462.2, "reading_se": 23.5, "science": 469.8, "science_se": 7.2, "escs": -0.489, "home_test_lang_share": 99.8}, {"year": 2015, "region": "PT150", "group": "overall", "students": 202, "weighted_share": 100.0, "math": 471.1, "math_se": 12.1, "reading": 489.6, "reading_se": 9.9, "science": 485.5, "science_se": 11.2, "escs": -0.454, "home_test_lang_share": 92.1}, {"year": 2015, "region": "PT150", "group": "native", "students": 164, "weighted_share": 80.88, "math": 478.2, "math_se": 11.0, "reading": 494.3, "reading_se": 9.8, "science": 491.2, "science_se": 9.5, "escs": -0.445, "home_test_lang_share": 97.1}, {"year": 2015, "region": "PT150", "group": "first_generation", "students": 18, "weighted_share": 8.85, "math": 453.6, "math_se": 19.5, "reading": 470.8, "reading_se": 12.3, "science": 476.1, "science_se": 12.6, "escs": -0.517, "home_test_lang_share": 55.7}, {"year": 2015, "region": "PT16B", "group": "overall", "students": 176, "weighted_share": 100.0, "math": 488.4, "math_se": 20.9, "reading": 501.8, "reading_se": 24.4, "science": 501.4, "science_se": 21.1, "escs": -0.749, "home_test_lang_share": 98.0}, {"year": 2015, "region": "PT16B", "group": "native", "students": 153, "weighted_share": 88.57, "math": 494.6, "math_se": 21.7, "reading": 504.5, "reading_se": 25.4, "science": 505.2, "science_se": 23.3, "escs": -0.745, "home_test_lang_share": 99.3}, {"year": 2015, "region": "PT16D", "group": "overall", "students": 182, "weighted_share": 100.0, "math": 489.9, "math_se": 15.6, "reading": 498.6, "reading_se": 12.4, "science": 497.5, "science_se": 14.6, "escs": -0.439, "home_test_lang_share": 98.7}, {"year": 2015, "region": "PT16D", "group": "native", "students": 166, "weighted_share": 92.8, "math": 490.2, "math_se": 16.9, "reading": 497.2, "reading_se": 13.1, "science": 496.6, "science_se": 15.7, "escs": -0.469, "home_test_lang_share": 99.7}, {"year": 2015, "region": "PT16E", "group": "overall", "students": 211, "weighted_share": 100.0, "math": 501.8, "math_se": 15.7, "reading": 501.0, "reading_se": 12.8, "science": 511.5, "science_se": 12.1, "escs": -0.355, "home_test_lang_share": 97.6}, {"year": 2015, "region": "PT16E", "group": "native", "students": 200, "weighted_share": 95.57, "math": 502.8, "math_se": 15.8, "reading": 502.2, "reading_se": 12.7, "science": 512.0, "science_se": 12.2, "escs": -0.381, "home_test_lang_share": 99.1}, {"year": 2015, "region": "PT16F", "group": "overall", "students": 156, "weighted_share": 100.0, "math": 506.4, "math_se": 17.3, "reading": 514.4, "reading_se": 11.7, "science": 518.7, "science_se": 8.2, "escs": -0.212, "home_test_lang_share": 98.5}, {"year": 2015, "region": "PT16F", "group": "native", "students": 144, "weighted_share": 93.61, "math": 509.3, "math_se": 17.0, "reading": 516.0, "reading_se": 12.5, "science": 521.3, "science_se": 7.4, "escs": -0.196, "home_test_lang_share": 99.5}, {"year": 2015, "region": "PT16G", "group": "overall", "students": 192, "weighted_share": 100.0, "math": 513.6, "math_se": 13.4, "reading": 511.0, "reading_se": 8.5, "science": 514.8, "science_se": 6.6, "escs": -0.153, "home_test_lang_share": 97.4}, {"year": 2015, "region": "PT16G", "group": "native", "students": 176, "weighted_share": 89.12, "math": 514.5, "math_se": 13.7, "reading": 511.1, "reading_se": 8.6, "science": 516.1, "science_se": 5.9, "escs": -0.188, "home_test_lang_share": 99.3}, {"year": 2015, "region": "PT16H", "group": "overall", "students": 97, "weighted_share": 100.0, "math": 509.9, "math_se": 14.9, "reading": 512.9, "reading_se": 13.1, "science": 519.1, "science_se": 6.6, "escs": -0.381, "home_test_lang_share": 100.0}, {"year": 2015, "region": "PT16H", "group": "native", "students": 88, "weighted_share": 90.13, "math": 510.0, "math_se": 11.9, "reading": 512.8, "reading_se": 12.3, "science": 519.2, "science_se": 8.1, "escs": -0.379, "home_test_lang_share": 100.0}, {"year": 2015, "region": "PT16I", "group": "overall", "students": 150, "weighted_share": 100.0, "math": 503.4, "math_se": 10.6, "reading": 510.5, "reading_se": 10.6, "science": 507.9, "science_se": 9.8, "escs": -0.551, "home_test_lang_share": 97.4}, {"year": 2015, "region": "PT16I", "group": "native", "students": 146, "weighted_share": 98.67, "math": 503.2, "math_se": 10.4, "reading": 510.8, "reading_se": 10.7, "science": 507.6, "science_se": 9.3, "escs": -0.552, "home_test_lang_share": 97.5}, {"year": 2015, "region": "PT16J", "group": "overall", "students": 139, "weighted_share": 100.0, "math": 502.5, "math_se": 13.2, "reading": 500.7, "reading_se": 14.6, "science": 504.5, "science_se": 9.0, "escs": -0.352, "home_test_lang_share": 100.0}, {"year": 2015, "region": "PT16J", "group": "native", "students": 130, "weighted_share": 93.79, "math": 500.9, "math_se": 11.4, "reading": 497.7, "reading_se": 13.9, "science": 502.4, "science_se": 7.6, "escs": -0.412, "home_test_lang_share": 100.0}, {"year": 2015, "region": "PT170", "group": "overall", "students": 1307, "weighted_share": 100.0, "math": 493.4, "math_se": 4.7, "reading": 505.4, "reading_se": 5.6, "science": 508.2, "science_se": 5.3, "escs": -0.067, "home_test_lang_share": 95.2}, {"year": 2015, "region": "PT170", "group": "native", "students": 1086, 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"reading": 488.2, "reading_se": 12.9, "science": 508.3, "science_se": 13.7, "escs": 0.016, "home_test_lang_share": 99.0}, {"year": 2025, "region": "PT16D", "group": "second_generation", "students": 15, "weighted_share": 5.65, "math": 475.8, "math_se": 19.3, "reading": 488.1, "reading_se": 20.2, "science": 491.4, "science_se": 24.0, "escs": 0.239, "home_test_lang_share": 71.4}, {"year": 2025, "region": "PT16D", "group": "first_generation", "students": 21, "weighted_share": 7.83, "math": 429.1, "math_se": 23.3, "reading": 445.9, "reading_se": 21.2, "science": 487.1, "science_se": 26.4, "escs": -0.465, "home_test_lang_share": 69.6}, {"year": 2025, "region": "PT16E", "group": "overall", "students": 215, "weighted_share": 100.0, "math": 486.5, "math_se": 13.0, "reading": 478.2, "reading_se": 10.7, "science": 503.5, "science_se": 13.1, "escs": 0.11, "home_test_lang_share": 92.0}, {"year": 2025, "region": "PT16E", "group": "native", "students": 173, "weighted_share": 76.94, "math": 497.4, 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18.38, "math": 420.7, "math_se": 13.0, "reading": 450.4, "reading_se": 13.4, "science": 460.1, "science_se": 16.5, "escs": -0.629, "home_test_lang_share": 89.2}, {"year": 2025, "region": "PT16G", "group": "overall", "students": 149, "weighted_share": 100.0, "math": 457.6, "math_se": 24.7, "reading": 464.0, "reading_se": 20.7, "science": 482.5, "science_se": 25.6, "escs": -0.317, "home_test_lang_share": 98.0}, {"year": 2025, "region": "PT16G", "group": "native", "students": 118, "weighted_share": 75.77, "math": 466.2, "math_se": 26.1, "reading": 467.8, "reading_se": 22.0, "science": 487.5, "science_se": 27.2, "escs": -0.255, "home_test_lang_share": 99.4}, {"year": 2025, "region": "PT16G", "group": "first_generation", "students": 17, "weighted_share": 14.03, "math": 432.8, "math_se": 13.4, "reading": 456.9, "reading_se": 11.6, "science": 472.4, "science_se": 12.9, "escs": -0.61, "home_test_lang_share": 94.7}, {"year": 2025, "region": "PT16H", "group": "overall", "students": 68, 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21, "weighted_share": 16.6, "math": 397.0, "math_se": 24.6, "reading": 412.4, "reading_se": 15.2, "science": 437.9, "science_se": 23.8, "escs": -0.446, "home_test_lang_share": 89.4}, {"year": 2025, "region": "PT16J", "group": "overall", "students": 92, "weighted_share": 100.0, "math": 483.3, "math_se": 33.6, "reading": 475.0, "reading_se": 27.3, "science": 495.1, "science_se": 33.8, "escs": 0.176, "home_test_lang_share": 98.6}, {"year": 2025, "region": "PT16J", "group": "native", "students": 78, "weighted_share": 81.29, "math": 491.2, "math_se": 33.6, "reading": 484.6, "reading_se": 25.0, "science": 502.3, "science_se": 32.8, "escs": 0.187, "home_test_lang_share": 100.0}, {"year": 2025, "region": "PT170", "group": "overall", "students": 1993, "weighted_share": 100.0, "math": 450.4, "math_se": 5.7, "reading": 458.8, "reading_se": 5.2, "science": 472.7, "science_se": 5.8, "escs": -0.122, "home_test_lang_share": 93.6}, {"year": 2025, "region": "PT170", "group": "native", "students": 1436, 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"students": 60, "weighted_share": 79.1, "math": 439.5, "math_se": 19.0, "reading": 446.9, "reading_se": 29.5, "science": 470.8, "science_se": 30.9, "escs": -0.305, "home_test_lang_share": 94.6}, {"year": 2025, "region": "PT184", "group": "overall", "students": 49, "weighted_share": 100.0, "math": 404.3, "math_se": 62.2, "reading": 404.8, "reading_se": 59.9, "science": 422.6, "science_se": 62.1, "escs": -1.011, "home_test_lang_share": 95.3}, {"year": 2025, "region": "PT184", "group": "native", "students": 40, "weighted_share": 76.77, "math": 418.6, "math_se": 63.1, "reading": 423.8, "reading_se": 52.3, "science": 438.2, "science_se": 59.5, "escs": -0.937, "home_test_lang_share": 100.0}, {"year": 2025, "region": "PT185", "group": "overall", "students": 162, "weighted_share": 100.0, "math": 443.4, "math_se": 14.1, "reading": 444.5, "reading_se": 15.2, "science": 462.1, "science_se": 13.8, "escs": -0.242, "home_test_lang_share": 93.2}, {"year": 2025, "region": "PT185", "group": "native", "students": 127, "weighted_share": 79.64, "math": 450.9, "math_se": 14.4, "reading": 452.3, "reading_se": 16.0, "science": 469.6, "science_se": 14.1, "escs": -0.183, "home_test_lang_share": 98.6}, {"year": 2025, "region": "PT185", "group": "first_generation", "students": 20, "weighted_share": 11.29, "math": 421.2, "math_se": 13.8, "reading": 435.1, "reading_se": 21.3, "science": 440.8, "science_se": 12.1, "escs": -0.399, "home_test_lang_share": 80.6}, {"year": 2025, "region": "PT186", "group": "overall", "students": 96, "weighted_share": 100.0, "math": 448.8, "math_se": 24.5, "reading": 442.2, "reading_se": 23.2, "science": 461.8, "science_se": 24.7, "escs": -0.087, "home_test_lang_share": 98.0}, {"year": 2025, "region": "PT186", "group": "native", "students": 88, "weighted_share": 91.72, "math": 452.4, "math_se": 25.6, "reading": 446.5, "reading_se": 24.9, "science": 465.6, "science_se": 26.0, "escs": -0.038, "home_test_lang_share": 100.0}, {"year": 2025, "region": "PT187", "group": "overall", "students": 87, "weighted_share": 100.0, "math": 433.0, "math_se": 5.9, "reading": 429.8, "reading_se": 6.5, "science": 450.9, "science_se": 5.7, "escs": -0.375, "home_test_lang_share": 94.2}, {"year": 2025, "region": "PT187", "group": "native", "students": 71, "weighted_share": 81.08, "math": 446.2, "math_se": 6.2, "reading": 445.9, "reading_se": 6.8, "science": 466.6, "science_se": 6.0, "escs": -0.33, "home_test_lang_share": 98.4}, {"year": 2025, "region": "PT200", "group": "overall", "students": 149, "weighted_share": 100.0, "math": 439.7, "math_se": 18.9, "reading": 440.4, "reading_se": 19.0, "science": 460.9, "science_se": 20.5, "escs": -0.432, "home_test_lang_share": 95.8}, {"year": 2025, "region": "PT200", "group": "native", "students": 133, "weighted_share": 87.87, "math": 447.3, "math_se": 20.0, "reading": 447.4, "reading_se": 21.8, "science": 468.2, "science_se": 22.9, "escs": -0.382, "home_test_lang_share": 99.5}, {"year": 2025, "region": "PT300", "group": "overall", "students": 170, "weighted_share": 100.0, "math": 464.8, "math_se": 15.8, "reading": 465.2, "reading_se": 18.4, "science": 489.6, "science_se": 18.0, "escs": -0.235, "home_test_lang_share": 85.7}, {"year": 2025, "region": "PT300", "group": "native", "students": 147, "weighted_share": 83.66, "math": 465.8, "math_se": 14.7, "reading": 465.7, "reading_se": 16.7, "science": 492.0, "science_se": 17.7, "escs": -0.343, "home_test_lang_share": 96.8}, {"year": 2025, "region": "PT300", "group": "first_generation", "students": 15, "weighted_share": 11.45, "math": 458.4, "math_se": 33.9, "reading": 470.7, "reading_se": 39.0, "science": 478.4, "science_se": 32.8, "escs": 0.681, "home_test_lang_share": 3.9}], "file": "/data/regional/pt-pisa-region-migration.json", "coverage": [{"year": 2015, "regions": 25, "students": 7325, "source": "stratum"}, {"year": 2018, "regions": 25, "students": 5932, "source": "stratum"}, {"year": 2022, "regions": 25, "students": 6793, "source": "stratum"}, {"year": 2025, "regions": 25, "students": 6945, "source": "stratum"}]}, {"country": "CH", "country_iso3": "CHE", "label": {"de": "Schweiz", "en": "Switzerland"}, "note": {"de": "Die Schweizer Ziehungsschichten unterscheiden nur die Unterrichtssprache (deutsch, franzoesisch, italienisch), nicht die Kantone \u2014 kantonale Werte sind aus den oeffentlichen OECD-Mikrodaten nicht zu gewinnen. Die drei Sprachregionen decken die Stichprobe vollstaendig ab. Im File 2025 ist die Ziehungsschicht fuer die Schweiz komplett maskiert \u2014 dieser Zyklus fehlt deshalb.", "en": "The Swiss sampling strata only distinguish the language of instruction (German, French, Italian), not cantons \u2014 cantonal figures cannot be derived from the public OECD microdata. The three language regions cover the whole sample. In the 2025 file the stratum is fully masked for Switzerland, so that cycle is missing."}, "generated": "2026-09-08", "min_students": 15, "cycles": [2015, 2018, 2022], "region_source": {"2015": "stratum", "2018": "stratum", "2022": "stratum"}, "source": "OECD PISA Scientific Use Files (Student questionnaire, 2015, 2018, 2022). Eigene Berechnung: Mittelwerte ueber alle Plausible Values, Standardfehler per Balanced Repeated Replication (Fay 0.5, 80 Replikate). Erzeugt mit scripts/compute_pisa_regional_migration.py", "regions": {"CH-DE": {"de": "Deutschsprachige Schweiz", "en": "German-speaking Switzerland", "adjudicated": false, "residual": false}, "CH-FR": {"de": "Franz\u00f6sischsprachige Schweiz", "en": "French-speaking Switzerland", "adjudicated": false, "residual": false}, "CH-IT": {"de": "Italienischsprachige Schweiz", "en": "Italian-speaking Switzerland", "adjudicated": false, "residual": false}}, "rows": [{"year": 2015, "region": "CH-DE", "group": "overall", "students": 3531, "weighted_share": 100.0, "math": 518.4, "math_se": 3.5, "reading": 485.1, "reading_se": 3.3, "science": 500.0, "science_se": 3.4, "escs": 0.108, "home_test_lang_share": 74.0}, {"year": 2015, "region": "CH-DE", "group": "native", "students": 2498, "weighted_share": 70.48, "math": 537.4, "math_se": 3.5, "reading": 503.2, "reading_se": 3.3, "science": 522.2, "science_se": 3.1, "escs": 0.279, "home_test_lang_share": 91.8}, {"year": 2015, "region": "CH-DE", "group": "second_generation", "students": 657, "weighted_share": 18.96, "math": 475.3, "math_se": 5.7, "reading": 444.2, "reading_se": 5.7, "science": 448.3, "science_se": 5.6, "escs": -0.425, "home_test_lang_share": 26.9}, {"year": 2015, "region": "CH-DE", "group": "first_generation", "students": 279, "weighted_share": 7.93, "math": 480.0, "math_se": 9.0, "reading": 443.7, "reading_se": 8.8, "science": 455.7, "science_se": 8.5, "escs": -0.093, "home_test_lang_share": 33.5}, {"year": 2015, "region": "CH-FR", "group": "overall", "students": 1307, "weighted_share": 100.0, "math": 526.0, "math_se": 5.7, "reading": 507.5, "reading_se": 6.4, "science": 517.5, "science_se": 5.9, "escs": 0.205, "home_test_lang_share": 72.3}, {"year": 2015, "region": "CH-FR", "group": "native", "students": 797, "weighted_share": 60.09, "math": 545.6, "math_se": 5.5, "reading": 527.2, "reading_se": 5.8, "science": 540.9, "science_se": 5.1, "escs": 0.47, "home_test_lang_share": 92.6}, {"year": 2015, "region": "CH-FR", "group": "second_generation", "students": 299, "weighted_share": 23.35, "math": 499.9, "math_se": 7.8, "reading": 481.1, "reading_se": 8.9, "science": 485.0, "science_se": 8.0, "escs": -0.208, "home_test_lang_share": 47.7}, {"year": 2015, "region": "CH-FR", "group": "first_generation", "students": 188, "weighted_share": 14.67, "math": 494.1, "math_se": 9.1, "reading": 473.9, "reading_se": 9.0, "science": 478.3, "science_se": 8.9, "escs": -0.209, "home_test_lang_share": 30.4}, {"year": 2015, "region": "CH-IT", "group": "overall", "students": 1022, "weighted_share": 100.0, "math": 532.5, "math_se": 5.1, "reading": 497.2, "reading_se": 5.3, "science": 508.0, "science_se": 5.3, "escs": 0.272, "home_test_lang_share": 83.8}, {"year": 2015, "region": "CH-IT", "group": "native", "students": 660, "weighted_share": 68.79, "math": 541.4, "math_se": 5.5, "reading": 505.9, "reading_se": 5.7, "science": 517.6, "science_se": 5.6, "escs": 0.427, "home_test_lang_share": 91.8}, {"year": 2015, "region": "CH-IT", "group": "second_generation", "students": 208, "weighted_share": 18.12, "math": 518.3, "math_se": 8.8, "reading": 482.5, "reading_se": 9.5, "science": 491.6, "science_se": 9.9, "escs": -0.154, "home_test_lang_share": 68.5}, {"year": 2015, "region": "CH-IT", "group": "first_generation", "students": 147, "weighted_share": 12.61, "math": 506.7, "math_se": 10.7, "reading": 472.4, "reading_se": 10.8, "science": 480.8, "science_se": 9.8, "escs": 0.038, "home_test_lang_share": 62.9}, {"year": 2018, "region": "CH-DE", "group": "overall", "students": 3455, "weighted_share": 100.0, "math": 511.9, "math_se": 3.5, "reading": 476.5, "reading_se": 3.9, "science": 489.9, "science_se": 3.5, "escs": -0.053, "home_test_lang_share": 71.6}, {"year": 2018, "region": "CH-DE", "group": "native", "students": 2311, "weighted_share": 66.95, "math": 531.0, "math_se": 3.3, "reading": 496.9, "reading_se": 3.7, "science": 511.5, "science_se": 3.4, "escs": 0.158, "home_test_lang_share": 91.8}, {"year": 2018, "region": "CH-DE", "group": "second_generation", "students": 690, "weighted_share": 19.92, "math": 474.3, "math_se": 5.5, "reading": 439.2, "reading_se": 5.5, "science": 446.3, "science_se": 5.3, "escs": -0.557, "home_test_lang_share": 26.4}, {"year": 2018, "region": "CH-DE", "group": "first_generation", "students": 346, "weighted_share": 10.03, "math": 474.7, "math_se": 6.5, "reading": 432.6, "reading_se": 8.3, "science": 448.0, "science_se": 8.1, "escs": -0.416, "home_test_lang_share": 28.0}, {"year": 2018, "region": "CH-FR", "group": "overall", "students": 1412, "weighted_share": 100.0, "math": 521.7, "math_se": 5.0, "reading": 500.4, "reading_se": 5.2, "science": 507.6, "science_se": 5.2, "escs": 0.057, "home_test_lang_share": 74.6}, {"year": 2018, "region": "CH-FR", "group": "native", "students": 801, "weighted_share": 57.06, "math": 540.4, "math_se": 5.7, "reading": 521.5, "reading_se": 6.2, "science": 529.6, "science_se": 5.7, "escs": 0.349, "home_test_lang_share": 94.1}, {"year": 2018, "region": "CH-FR", "group": "second_generation", "students": 349, "weighted_share": 24.45, "math": 501.2, "math_se": 6.1, "reading": 479.0, "reading_se": 6.9, "science": 478.0, "science_se": 6.5, "escs": -0.33, "home_test_lang_share": 61.5}, {"year": 2018, "region": "CH-FR", "group": "first_generation", "students": 224, "weighted_share": 15.55, "math": 497.0, "math_se": 9.3, "reading": 468.1, "reading_se": 8.6, "science": 482.1, "science_se": 9.3, "escs": -0.386, "home_test_lang_share": 27.1}, {"year": 2018, "region": "CH-IT", "group": "overall", "students": 955, "weighted_share": 100.0, "math": 527.7, "math_se": 4.0, "reading": 495.2, "reading_se": 4.0, "science": 500.9, "science_se": 4.3, "escs": 0.174, "home_test_lang_share": 84.8}, {"year": 2018, "region": "CH-IT", "group": "native", "students": 619, "weighted_share": 65.72, "math": 536.7, "math_se": 4.2, "reading": 506.1, "reading_se": 4.6, "science": 512.2, "science_se": 4.5, "escs": 0.33, "home_test_lang_share": 92.5}, {"year": 2018, "region": "CH-IT", "group": "second_generation", "students": 195, "weighted_share": 20.09, "math": 505.3, "math_se": 9.2, "reading": 472.7, "reading_se": 9.8, "science": 474.4, "science_se": 10.0, "escs": -0.234, "home_test_lang_share": 71.9}, {"year": 2018, "region": "CH-IT", "group": "first_generation", "students": 122, "weighted_share": 12.38, "math": 519.9, "math_se": 10.9, "reading": 477.7, "reading_se": 13.6, "science": 486.6, "science_se": 11.6, "escs": -0.02, "home_test_lang_share": 64.4}, {"year": 2022, "region": "CH-DE", "group": "overall", "students": 4148, "weighted_share": 100.0, "math": 505.5, "math_se": 2.7, "reading": 476.4, "reading_se": 2.7, "science": 499.9, "science_se": 2.6, "escs": 0.164, "home_test_lang_share": 69.3}, {"year": 2022, "region": "CH-DE", "group": "native", "students": 2750, "weighted_share": 65.93, "math": 526.8, "math_se": 2.3, "reading": 499.3, "reading_se": 2.5, "science": 522.8, "science_se": 2.3, "escs": 0.416, "home_test_lang_share": 90.1}, {"year": 2022, "region": "CH-DE", "group": "second_generation", "students": 861, "weighted_share": 20.9, "math": 467.5, "math_se": 4.8, "reading": 438.4, "reading_se": 5.2, "science": 458.8, "science_se": 5.1, "escs": -0.407, "home_test_lang_share": 30.0}, {"year": 2022, "region": "CH-DE", "group": "first_generation", "students": 414, "weighted_share": 10.3, "math": 459.8, "math_se": 6.9, "reading": 422.4, "reading_se": 8.3, "science": 451.5, "science_se": 7.2, "escs": -0.283, "home_test_lang_share": 22.0}, {"year": 2022, "region": "CH-FR", "group": "overall", "students": 1680, "weighted_share": 100.0, "math": 513.6, "math_se": 4.8, "reading": 499.7, "reading_se": 5.4, "science": 508.5, "science_se": 5.0, "escs": 0.156, "home_test_lang_share": 71.6}, {"year": 2022, "region": "CH-FR", "group": "native", "students": 950, "weighted_share": 56.9, "math": 533.4, "math_se": 5.3, "reading": 520.9, "reading_se": 5.6, "science": 529.6, "science_se": 5.7, "escs": 0.49, "home_test_lang_share": 92.2}, {"year": 2022, "region": "CH-FR", "group": "second_generation", "students": 399, "weighted_share": 23.8, "math": 493.8, "math_se": 7.7, "reading": 480.9, "reading_se": 8.4, "science": 487.8, "science_se": 8.2, "escs": -0.286, "home_test_lang_share": 53.6}, {"year": 2022, "region": "CH-FR", "group": "first_generation", "students": 296, "weighted_share": 17.33, "math": 486.3, "math_se": 7.1, "reading": 467.6, "reading_se": 8.5, "science": 477.0, "science_se": 8.1, "escs": -0.305, "home_test_lang_share": 32.6}, {"year": 2022, "region": "CH-IT", "group": "overall", "students": 1001, "weighted_share": 100.0, "math": 513.5, "math_se": 3.9, "reading": 492.6, "reading_se": 4.5, "science": 507.3, "science_se": 4.3, "escs": 0.343, "home_test_lang_share": 84.8}, {"year": 2022, "region": "CH-IT", "group": "native", "students": 619, "weighted_share": 62.41, "math": 520.6, "math_se": 4.4, "reading": 498.7, "reading_se": 5.7, "science": 514.6, "science_se": 5.2, "escs": 0.481, "home_test_lang_share": 92.5}, {"year": 2022, "region": "CH-IT", "group": "second_generation", "students": 204, "weighted_share": 20.42, "math": 501.9, "math_se": 7.7, "reading": 484.3, "reading_se": 8.6, "science": 495.6, "science_se": 8.6, "escs": 0.022, "home_test_lang_share": 67.9}, {"year": 2022, "region": "CH-IT", "group": "first_generation", "students": 148, "weighted_share": 14.81, "math": 511.8, "math_se": 10.4, "reading": 493.5, "reading_se": 12.5, "science": 505.6, "science_se": 10.3, "escs": 0.23, "home_test_lang_share": 76.9}], "file": "/data/regional/ch-pisa-region-migration.json", "coverage": [{"year": 2015, "regions": 3, "students": 5860, "source": "stratum"}, {"year": 2018, "regions": 3, "students": 5822, "source": "stratum"}, {"year": 2022, "regions": 3, "students": 6829, "source": "stratum"}]}, {"country": "IT", "country_iso3": "ITA", "label": {"de": "Italien", "en": "Italy"}, "note": {"de": "Italien laesst sich aus den oeffentlichen OECD-Mikrodaten nur fuer 2015 regional auswerten, und dort nur fuer die vier adjudizierten Gebiete Bozen, Trient, Lombardei und Kampanien; alles uebrige faellt in eine Sammelkategorie. In den Files 2018 und 2022 ist die Ziehungsschicht komplett maskiert (\u201eUndisclosed STRATUM\u201c) und eine Regionsvariable fehlt \u2014 regionale Auswertungen sind daraus nicht moeglich. Fuer Regionalwerte ist INVALSI die geeignete Quelle.", "en": "Italy can only be broken down regionally for 2015 in the public OECD microdata, and then only for the four adjudicated areas Bolzano, Trento, Lombardy and Campania; everything else is pooled. In the 2018 and 2022 files the sampling stratum is fully masked (\u201cUndisclosed STRATUM\u201d) and no region variable exists, so regional analysis is impossible. For region-level figures INVALSI is the appropriate source."}, "generated": "2026-08-14", "min_students": 15, "cycles": [2015], "region_source": {"2015": "region"}, "source": "OECD PISA Scientific Use Files (Student questionnaire, 2015). Eigene Berechnung: Mittelwerte ueber alle Plausible Values, Standardfehler per Balanced Repeated Replication (Fay 0.5, 80 Replikate). Erzeugt mit scripts/compute_pisa_regional_migration.py", "regions": {"IT-BZ": {"de": "Bozen", "en": "Bolzano", "adjudicated": true, "residual": false}, "IT-CAM": {"de": "Kampanien", "en": "Campania", "adjudicated": true, "residual": false}, "IT-LOM": {"de": "Lombardei", "en": "Lombardia", "adjudicated": true, "residual": false}, "IT-REST": {"de": "\u00dcbriges Italien", "en": "Rest of the country", "adjudicated": false, "residual": true}, "IT-TN": {"de": "Trient", "en": "Trento", "adjudicated": true, "residual": false}}, "rows": [{"year": 2015, "region": "IT-BZ", "group": "overall", "students": 2243, "weighted_share": 100.0, "math": 518.3, "math_se": 6.7, "reading": 502.9, "reading_se": 8.4, "science": 515.4, "science_se": 2.5, "escs": -0.015, "home_test_lang_share": 40.4}, {"year": 2015, "region": "IT-BZ", "group": "native", "students": 2014, "weighted_share": 90.45, "math": 523.6, "math_se": 7.1, "reading": 509.7, "reading_se": 8.7, "science": 521.8, "science_se": 2.5, "escs": 0.011, "home_test_lang_share": 41.7}, {"year": 2015, "region": "IT-BZ", "group": "second_generation", "students": 62, "weighted_share": 2.91, "math": 462.6, "math_se": 14.0, "reading": 449.9, "reading_se": 11.8, "science": 455.7, "science_se": 11.9, "escs": -0.167, "home_test_lang_share": 20.8}, {"year": 2015, "region": "IT-BZ", "group": "first_generation", "students": 118, "weighted_share": 4.92, "math": 465.1, "math_se": 10.6, "reading": 424.9, "reading_se": 12.5, "science": 446.3, "science_se": 10.7, "escs": -0.459, "home_test_lang_share": 27.9}, {"year": 2015, "region": "IT-CAM", "group": "overall", "students": 1670, "weighted_share": 100.0, "math": 455.6, "math_se": 5.5, "reading": 454.8, "reading_se": 5.5, "science": 445.0, "science_se": 5.0, "escs": -0.216, "home_test_lang_share": 82.8}, {"year": 2015, "region": "IT-CAM", "group": "native", "students": 1541, "weighted_share": 91.39, "math": 459.6, "math_se": 5.7, "reading": 459.4, "reading_se": 5.8, "science": 448.5, "science_se": 5.4, "escs": -0.208, "home_test_lang_share": 83.3}, {"year": 2015, "region": "IT-CAM", "group": "second_generation", "students": 18, "weighted_share": 1.04, "math": 442.9, "math_se": 22.4, "reading": 446.9, "reading_se": 22.9, "science": 429.8, "science_se": 19.5, "escs": -0.399, "home_test_lang_share": 60.1}, {"year": 2015, "region": "IT-LOM", "group": "overall", "students": 1832, "weighted_share": 100.0, "math": 507.7, "math_se": 6.4, "reading": 505.2, "reading_se": 4.5, "science": 502.5, "science_se": 5.0, "escs": -0.022, "home_test_lang_share": 87.7}, {"year": 2015, "region": "IT-LOM", "group": "native", "students": 1601, "weighted_share": 86.81, "math": 515.7, "math_se": 6.3, "reading": 514.3, "reading_se": 4.4, "science": 510.0, "science_se": 4.8, "escs": 0.04, "home_test_lang_share": 93.9}, {"year": 2015, "region": "IT-LOM", "group": "second_generation", "students": 82, "weighted_share": 4.65, "math": 471.9, "math_se": 14.4, "reading": 465.5, "reading_se": 12.4, "science": 465.3, "science_se": 11.3, "escs": -0.383, "home_test_lang_share": 59.7}, {"year": 2015, "region": "IT-LOM", "group": "first_generation", "students": 118, "weighted_share": 6.41, "math": 441.2, "math_se": 9.6, "reading": 428.3, "reading_se": 10.0, "science": 442.0, "science_se": 9.6, "escs": -0.59, "home_test_lang_share": 27.6}, {"year": 2015, "region": "IT-REST", "group": "overall", "students": 4059, "weighted_share": 100.0, "math": 490.4, "math_se": 3.6, "reading": 484.4, "reading_se": 3.5, "science": 480.4, "science_se": 3.3, "escs": -0.054, "home_test_lang_share": 83.5}, {"year": 2015, "region": "IT-REST", "group": "native", "students": 3623, "weighted_share": 89.6, "math": 494.7, "math_se": 3.7, "reading": 489.8, "reading_se": 3.6, "science": 484.3, "science_se": 3.4, "escs": -0.016, "home_test_lang_share": 87.4}, {"year": 2015, "region": "IT-REST", "group": "second_generation", "students": 121, "weighted_share": 3.0, "math": 473.2, "math_se": 9.8, "reading": 464.4, "reading_se": 8.5, "science": 464.3, "science_se": 8.5, "escs": -0.362, "home_test_lang_share": 57.2}, {"year": 2015, "region": "IT-REST", "group": "first_generation", "students": 192, "weighted_share": 4.96, "math": 453.7, "math_se": 9.3, "reading": 425.8, "reading_se": 8.7, "science": 445.6, "science_se": 7.3, "escs": -0.579, "home_test_lang_share": 30.7}, {"year": 2015, "region": "IT-TN", "group": "overall", "students": 1779, "weighted_share": 100.0, "math": 516.2, "math_se": 2.6, "reading": 511.8, "reading_se": 2.8, "science": 510.5, "science_se": 2.5, "escs": -0.012, "home_test_lang_share": 71.0}, {"year": 2015, "region": "IT-TN", "group": "native", "students": 1554, "weighted_share": 86.63, "math": 523.8, "math_se": 2.7, "reading": 520.7, "reading_se": 2.8, "science": 517.8, "science_se": 2.5, "escs": 0.061, "home_test_lang_share": 75.5}, {"year": 2015, "region": "IT-TN", "group": "second_generation", "students": 90, "weighted_share": 5.13, "math": 480.8, "math_se": 11.8, "reading": 470.5, "reading_se": 11.1, "science": 477.8, "science_se": 11.2, "escs": -0.662, "home_test_lang_share": 36.3}, {"year": 2015, "region": "IT-TN", "group": "first_generation", "students": 89, "weighted_share": 5.11, "math": 450.4, "math_se": 9.6, "reading": 435.5, "reading_se": 10.2, "science": 440.5, "science_se": 10.6, "escs": -0.592, "home_test_lang_share": 28.5}], "file": "/data/regional/it-pisa-region-migration.json", "coverage": [{"year": 2015, "regions": 5, "students": 11583, "source": "region"}]}]}