ILSA-Gateway: TIMSS 2019 ADDITIONAL MATERIALS

Launch of TIMSS 2023 Longitudinal International Results in December

The IEA will launch the TIMSS 2023 Longitudinal International Results in a livestreamed event on Tuesday, 9 December 2025, at 10:00 Central European Time (CET). As the first longitudinal extension of TIMSS, it offers insights into how tracking student progress over one academic year can inform more effective education policies and classroom practices. The event will feature presentations, country reflections, and opportunities to engage and ask questions about the findings.

Find more information and register here

TIMSS 2023: All Pages Now Available

Latest additions

All thematic pages for TIMSS 2023 are now accessible on the ILSA Gateway. In addition to the assessment framework, the pages now include detailed information on the study design, international results, data, and related materials. TIMSS 2023 measured the mathematics and science achievement of fourth and eighth grade students across the 64 participating countries. It also collected contextual data from students, parents, teachers, and schools to provide a comprehensive view of educational environments. The results highlight global trends in STEM education and offer policy-relevant insights.

Access TIMSS 2023 on the Gateway

TIMSS 2023 Restricted-Use Event Log Data Available

Publications

The TIMSS 2023 Restricted-Use Event Log data files, containing detailed records of students’ interactions during the assessment, are now available upon request. The files provide timestamped records of item responses, answer changes, and interactions with the assessment content. Comprehensive documentation is available to support users in understanding the recorded event types.

Find more information here.

LaNA 2023 Linking Study IDB Released

Publications

IEA and the TIMSS & PIRLS International Study Center at Boston College have released the LaNA 2023 Linking Study International Database (IDB), offering achievement and contextual data from participating education systems.

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LaNA 2023 Linking Study Report Now Available

Publications

The LaNA (Literacy and Numeracy Assessment) 2023 Linking Study report is now available open-access online. Conducted by IEA and the TIMSS & PIRLS International Study Center at Boston College, the study aimed to measure basic reading and mathematics skills at the primary school level.

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Title: IEA Compass Briefs: Teaching Quality and Student Achievement

Publications

New insights from the Northern Lights project and TIMSS reveal how teaching quality impacts student success in Nordic primary schools. This brief highlights the importance of teacher support for creating engaging learning environments.

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IEA Compass Briefs: Hunger and Learning Environment: Global Patterns in Student Hunger and Disorderly Behavior in Math Lessons

Publications

A new IEA Compass Brief explores the global impact of student hunger on learning environments and classroom behavior, using data from the TIMSS study to emphasize the importance of nutrition programs.

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IEA Compass: Briefs in Education Series January 2023

Publications

The IEA Compass: Briefs in Education Series of January 2023 uses TIMSS 2019 data to address how cyberbullying is negatively associated with mathematics achievement in the eighth grade.

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International Handbook of Comparative Large-Scale Studies in Education: Perspectives, Methods and Findings

Publications

The international handbook of comparative large-scale studies in education provides an overview of history, theory, aims, and methodology of international large-scale assessment (ILSA). It introduces how to analyze the ILSA data, and it describes exemplary how researchers have been using ILSA data to investigate the relationship between school climate and student outcomes. Many other aspects are covered by the handbook which concludes with an outlook to future potential of the ILSAs.

Access the handbook here

New Series for Teachers: IEA’s Teacher Snippets

Publications

The International Association for the Evaluation of Educational Achievement (IEA) has launched a publication series called “Teacher Snippets”, providing teachers and other interested parties with summarized findings from IEA international large-scale assessment (ILSA) studies and other research to give back to teachers. In this text, two of these snippets (related to sense of belonging to school and to strengthening positive reading attitudes) are introduced.

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