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TRENDS IN INTERNATIONAL MATHEMATICS AND SCIENCE STUDY

First conducted in 1995, TIMSS reports every four years on the mathematics and science achievement of fourth and eighth grade students worldwide.

TIMSS and TIMSS Advanced Assessments

PROGRESS IN INTERNATIONAL
READING LITERACY STUDY

First conducted in 2001, PIRLS reports every five years on the reading achievement of fourth grade students worldwide

PIRLS prePIRLS Assessments

The TIMSS and PIRLS International Study Center is dedicated to conducting comparative studies in educational achievement. It serves as the international hub for the IEA’s mathematics, science and reading assessments.

Featured Publications

  • TIMSS and PIRLS Methods and Procedures
    • New online approach enables early access to 2011 technical documentation.
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  • TIMSS 2011 Frameworks
    • Description of the major content and cognitive domains in mathematics and science tested at grades 4 and 8.
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  • PIRLS 2011 Frameworks
    • Description of the purposes for reading and the processes for comprehension assessed by PIRLS.
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TIMSS and PIRLS 2011 data collection now complete

Download TIMSS 2015 PDF Download PIRLS 2016 PDF
  • Informing Educational Policy for Improved Teaching and Learning
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  • Assessing TIMSS and PIRLS Together at the Fourth Grade
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