Results

The following pages present an overview of the key international findings from each study. They highlight central outcomes and insights to support understanding and comparison across countries and education systems.

For readers seeking more detailed information about international results, links to full-text reports and other related online resources are provided at the end of each page.

List of Studies
Study Long title Initiator
TIMSS Advanced 2015 Trends in International Mathematics and Science Study IEA
TIMSS 2023 Trends in International Mathematics and Science Study IEA
TIMSS 2019 Trends in International Mathematics and Science Study IEA
TIMSS 2015 Trends in International Mathematics and Science Study IEA
TIMSS 2011 Trends in International Mathematics and Science Study IEA
TERCE 2013 Tercer Estudio Regional Comparativo y Explicativo UNESCO
TEDS-M 2008 Teacher Education and Development Study in Mathematics IEA
TALIS Starting Strong 2024 Starting Strong Teaching and Learning International Survey 2024 OECD
TALIS Starting Strong 2018 Starting Strong Teaching and Learning International Survey 2018 OECD
TALIS 2024 Teaching and Learning International Survey OECD
TALIS 2018 Teaching and Learning International Survey OECD
TALIS 2013 Teaching and Learning International Survey OECD
STEP STEP Skills Measurement Household Survey World Bank
SEA-PLM 2024 Southeast Asia Primary Learning Metrics (SEA-PLM) SEAMEO, UNICEF
SEA-PLM 2019 Southeast Asia Primary Learning Metrics (SEA-PLM) SEAMEO, UNICEF
SACMEQ IV Study Southern and Eastern Africa Consortium for Monitoring Educational Quality SEACMEQ
SACMEQ III Study Southern and Eastern Africa Consortium for Monitoring Educational Quality SACMEQ
REDS Responses to Educational Disruption Survey IEA, UNESCO
PRIDI 2013 Programa Regional de Indicadores de Desarrollo Infantil IDB
PISA-VET Programme for International Student Assessment Vocational Education and Training OECD
PISA-D Programme for International Student Assessment for Development OECD
PISA 2025 Programme for International Student Assessment OECD
PISA 2022 Programme for International Student Assessment OECD
PISA 2018 Programme for International Student Assessment OECD
PISA 2015 Programme for International Student Assessment OECD
PISA 2012 Programme for International Student Assessment OECD
PIRLS 2026 Progress in International Reading Literacy Study IEA
PIRLS 2021 Progress in International Reading Literacy Study IEA
PIRLS 2016 Progress in International Reading Literacy Study IEA
PIRLS 2011 Progress in International Reading Literacy Study IEA
PIAAC Cycle 2 Programme for the International Assessment of Adult Competencies OECD
PIAAC Cycle 1 Programme for the International Assessment of Adult Competencies OECD
PASEC 2019 Programme d’analyse des systèmes éducatifs de la CONFEMEN CONFEMEN
PASEC 2014 Programme d’analyse des systèmes éducatifs de la CONFEMEN CONFEMEN
LaNA 2023 Linking Study Literacy and Numeracy Assessment IEA
IELS 2025 International Early Learning and Child Well-being Study OECD
IELS 2018 International Early Learning and Child Well-being Study OECD
ICILS 2023 International Computer and Information Literacy Study IEA
ICILS 2018 International Computer and Information Literacy Study IEA
ICILS 2013 International Computer and Information Literacy Study IEA
ICCS 2022 International Civic and Citizenship Education Study IEA
ICCS 2016 International Civic and Citizenship Education Study IEA
ICCS 2009 International Civic and Citizenship Education Study IEA
ERCE 2025 Estudio Regional Comparativo y Explicativo UNESCO
ERCE 2019 Estudio Regional Comparativo y Explicativo UNESCO