Trends in International Mathematics and Science Study (TIMSS 2027) Main Study International Questionnaire

The Trends in International Mathematics and Science Study (TIMSS), conducted by the National Center for Education Statistics (NCES), within the U.S. Department of Education (ED), is an international assessment of fourth and eighth grade students’ achievement in mathematics and science. Since its inception in 1995, TIMSS has continued to assess students every 4 years (1995, 1999, 2003, 2007, 2011, 2015, 2019, and 2023), with the next TIMSS assessment, TIMSS 2027, being the ninth iteration of the study. In TIMSS 2023, 70 countries or education systems participated, and TIMSS 2027 is expected to have a similar scope. The United States will participate in TIMSS 2027 to continue to monitor the progress of its students compared to that of other nations and to provide data on factors that may influence student achievement. TIMSS is led by the International Association for the Evaluation of Educational Achievement (IEA), an international collective of research organizations and government agencies that create the frameworks used to develop the assessment, the survey instruments, and the study timeline. IEA decides and agrees upon a common set of standards, procedures, and timelines for collecting and reporting data, all of which must be followed by all participating countries. As a result, TIMSS is able to provide a reliable and comparable measure of student skills in participating countries. In the U.S., NCES conducts this study in collaboration with the IEA and a number of contractors (RTI International, Measurement Incorportated, and Ideal Systems Solutions Inc.) to ensure proper implementation of the study and adoption of practices in adherence to the IEA’s standards. Participation in TIMSS is consistent with NCES’s mandate of acquiring and disseminating data on educational activities and student achievement in the United States compared with foreign nations [The Educational Sciences Reform Act of 2002 (ESRA 2002, 20 U.S.C. §9543)]. Because TIMSS is a collaborative effort among many parties, the United States must adhere to the international schedule set forth by the IEA, including the availability of final main study plans as well as draft and final questionnaires. In order to meet the international data collection schedule and to align with recruitment for other NCES studies (e.g., the National Assessment of Education Progress, NAEP), the current package requests approval to conduct the TIMSS 2027 main study sampling, recruitment and data collections. Because the U.S. has participated successfully in all prior cycles and to contain costs, the U.S. will not participate in the field test of TIMSS 2027 and will only participate in the main study. Recruitment for the main study will begin in Spring 2026 with data collection occurring in March through June 2027. The final internationally approved questionnaires for the main study are expected to be submitted via a change memo in January 2027.

The latest form for Trends in International Mathematics and Science Study (TIMSS 2027) Main Study International Questionnaire expires 2029-07-31 and is listed under ICR 202510-1850-001.

Trends in International Mathematics and Science Study (TIMSS 2027) Main Study Sampling, Recruitment, and Data Collection

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