Appendices
Appendix A: Country Participation in TIMSS 2023 and Earlier TIMSS Assessments
Appendix B: Population Coverage and Sample Participation Rates
Detailed information about the TIMSS 2023 national samples and TIMSS reporting standards is available in Chapter 9 of the TIMSS 2023 Technical Report.
Grade 4
- B.2 Coverage of TIMSS 2023 Target Population
- B.3 School Sample Sizes
- B.4 Student Sample Sizes
- B.5 Participation Rates (Weighted)
- B.6 Trends in Student Populations
Grade 8
- B.7 Coverage of TIMSS 2023 Target Population
- B.8 School Sample Sizes
- B.9 Student Sample Sizes
- B.10 Participation Rates (Weighted)
- B.11 Trends in Student Populations
Appendix C: The TIMSS 2023 Test-Curriculum Matching Analysis
Appendix D: Percentiles of Achievement
- D.1 Percentiles of Mathematics Achievement (Grade 4)
- D.2 Percentiles of Science Achievement (Grade 4)
- D.3 Percentiles of Mathematics Achievement (Grade 8)
- D.4 Percentiles of Science Achievement (Grade 8)
Appendix E: Percentages of Students with Achievement Too Low for Estimation
- E.1 Percentages of Students with Mathematics Achievement Too Low for Estimation (Grade 4)
- E.2 Percentages of Students with Science Achievement Too Low for Estimation (Grade 4)
- E.3 Percentages of Students with Mathematics Achievement Too Low for Estimation (Grade 8)
- E.4 Percentages of Students with Science Achievement Too Low for Estimation (Grade 8)
Appendix F: Organizations and Individuals Responsible for TIMSS 2023
Appendix A: Country Participation in TIMSS 2023 and Earlier TIMSS Assessments
Appendix B: Population Coverage and Sample Participation Rates
Exhibit B.1: Information About the Students Assessed in TIMSS 2023
Appendix C: The TIMSS 2023 Test-Curriculum Matching Analysis
Appendix D: Percentiles of Achievement
Exhibit D.1: Percentiles of Mathematics Achievement (Grade 4)
Exhibit D.2: Percentiles of Science Achievement (Grade 4)
Exhibit D.3: Percentiles of Mathematics Achievement (Grade 8)
Exhibit D.4: Percentiles of Science Achievement (Grade 8)
Appendix E: Percentages of Students with Achievement Too Low for Estimation
Exhibit E.1: Percentages of Students with Mathematics Achievement Too Low for Estimation (Grade 4)
Exhibit E.2: Percentages of Students with Science Achievement Too Low for Estimation (Grade 4)
Exhibit E.3: Percentages of Students with Mathematics Achievement Too Low for Estimation (Grade 8)
Exhibit E.4: Percentages of Students with Science Achievement Too Low for Estimation (Grade 8)
Appendix F: Organizations and Individuals Responsible for TIMSS
Suggested Citation
von Davier, M., Kennedy, A., Reynolds, K., Fishbein, B., Khorramdel, L., Aldrich, C., Bookbinder, A., Bezirhan, U., & Yin, L. (2024). TIMSS 2023 International Results in Mathematics and Science. Boston College, TIMSS & PIRLS International Study Center. https://doi.org/10.6017/lse.tpisc.timss.rs6460
