ILSA-Gateway: TIMSS 2023 Results

TIMSS 2023 Restricted-Use Event Log Data Available

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.

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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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TIMSS 2023 International Database Available

Data release

The Trends in International Mathematics and Science Study (TIMSS) 2023 international database is now available, offering open access to global fourth- and eighth-grade mathematics and science achievement data, along with contextual information from students, their home, teachers, schools, and countries.

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TIMSS 2023: Encyclopedia Published

The TIMSS 2023 Encyclopedia: Education Policy and Curriculum in Mathematics and Science provides an in-depth profile of the educational contexts influencing math and science education across 72 participating countries. It combines curriculum questionnaire data and country-authored chapters to showcase global diversity in teaching and learning these core subjects.

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Call for Enrollment for TIMSS 2027

Opportunities

Enrollment is now open for the ninth cycle of the Trends in International Mathematics and Science Study (TIMSS). Since 1995, TIMSS has monitored global trends in mathematics and science achievement for fourth and eighth-grade students. The 2027 cycle introduces a fully digital assessment with expanded coverage and enhanced contextual data collection.

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