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Trends in International Mathematics and Science Study (TIMSS)

The Trends in International Mathematics and Science Study (TIMSS) provides reliable and timely data on the mathematics and science achievement of U.S. 4th- and 8th-grade students compared to that of students in other countries. AIR’s experts provide analytic support for U.S. participation in TIMSS. This support includes:

  • reviews of materials developed to plan and undertake the surveys and assessments;
  • reviews of preliminary data files, including restricted-use files; literature reviews;
  • maintenance of a virtual library of literature related to the surveys and assessments; and
  • development of original materials for planning and undertaking the surveys and assessments.


Recent Reports Recent Projects
  • Trends in International Mathematics and Science Study (TIMSS)

    The Trends in International Mathematics and Science Study (TIMSS) is an international comparative study of the mathematics and science achievement of fourth- and eighth-graders in the United States and students in the equivalent of fourth and eighth grade in other participating countries.