TIMSS 2019 International Results in
Mathematics and Science

COUNTRIES' MATHEMATICS & SCIENCE ACHIEVEMENT
Mathematics Grade 4
  • Average Mathematics Achievement
  • Performance at TIMSS International Benchmarks in Mathematics
  • Average Achievement in Mathematics Content & Cognitive Domains
Science Grade 4
  • Average Science Achievement
  • Performance at TIMSS International Benchmarks in Science
  • Average Achievement in Science Content & Cognitive Domains
Mathematics Grade 8
  • Average Mathematics Achievement
  • Performance at TIMSS International Benchmarks in Mathematics
  • Average Achievement in Mathematics Content & Cognitive Domains
Science Grade 8
  • Average Science Achievement
  • Performance at TIMSS International Benchmarks in Science
  • Average Achievement in Science Content & Cognitive Domains
HOME & SCHOOL
CONTEXTS
Home Environment Support
  • Home Resources
  • Students Speak the Language of Test
  • Emphasis on Early Literacy & Numeracy Development
  • Literacy & Numeracy Readiness for School
School Composition & Resources
  • Socioeconomic Background of the Student Body
  • Students' Native Language is the Language of the Test
  • Students Enter Primary School with Literacy & Numeracy Skills
  • Instruction Affected by Resource Shortages
  • Principals' Education & Years of Experience
School Climate
  • School Emphasis on Academic Success
  • Parents' Perceptions of the School
  • Students' Sense of School Belonging
School Discipline & Safety
  • School Discipline
  • Safe & Orderly School
  • Student Bullying
CLASSROOM
CONTEXTS
Teacher Preparation, Professional Development, & Job Satisfaction
  • Teachers' Formal Education
  • Teachers' Major
  • Teachers' Years of Experience
  • Teacher Participation in Professional Development
  • Teachers' Professional Development Needs
  • Teachers' Job Satisfaction
Challenges to Teaching & Learning
  • Student Absenteeism
  • Students Feel Tired or Hungry
  • Teaching Limited by Students Not Ready for Instruction
Students' Attitudes
  • Students Like Learning Mathematics & Science
  • Students Confident in Mathematics & Science
  • Students Value Mathematics & Science
Mathematics Curriculum & Instruction
  • Instructional Time in Mathematics
  • Students Taught the TIMSS Mathematics Topics
  • Instructional Clarity in Mathematics Lessons
  • Disorderly Behavior During Mathematics Lessons
Science Curriculum & Instruction
  • Instructional Time in Science
  • Students Taught the TIMSS Science Topics
  • Instructional Clarity in Science Lessons
  • Teachers' Emphasis on Science Investigation
  • School Resources for Science Experiments
  • Experiments in Science Lessons
Technology in Instruction
  • Computer Access for Instruction
  • Technology to Support Learning
  • Tests Delivered on Digital Devices

Appendices

Posted: November 19, 2020

A. Country Participation in TIMSS 2019 and in Earlier TIMSS Assessments (PDF, XLSX)

B. Population Coverage and Sample Participation Rates (PDF)

  • B.1 Information About the Students Assessed in TIMSS 2019 (PDF, XLSX)

Grade 4

  • B.2 Coverage of TIMSS 2019 Target Population (PDF, XLSX)
  • B.3 School Sample Sizes (PDF, XLSX)
  • B.4 Student Sample Sizes (PDF, XLSX)
  • B.5 Participation Rates (Weighted) (PDF, XLSX)
  • B.6 Trends in Student Populations (PDF, XLSX)

Grade 8

  • B.7 Coverage of TIMSS 2019 Target Population (PDF, XLSX)
  • B.8 School Sample Sizes (PDF, XLSX)
  • B.9 Student Sample Sizes (PDF, XLSX)
  • B.10 Participation Rates (Weighted) (PDF, XLSX)
  • B.11 Trends in Student Populations (PDF, XLSX)

C. The TIMSS 2019 Test-Curriculum Matching Analysis (PDF, XLSX)

D. Percentiles of Achievement (PDF)

  • D.1 Percentiles of Mathematics Achievement (Grade 4) (PDF, XLSX)
  • D.2 Percentiles of Science Achievement (Grade 4) (PDF, XLSX)
  • D.3 Percentiles of Mathematics Achievement (Grade 8) (PDF, XLSX)
  • D.4 Percentiles of Science Achievement (Grade 8) (PDF, XLSX)

E. Standard Deviations of Achievement (PDF)

  • E.1 Average Mathematics Achievement and Standard Deviations by Gender (Grade 4) (PDF, XLSX)
  • E.2 Average Science Achievement and Standard Deviations by Gender (Grade 4) (PDF, XLSX)
  • E.3 Average Mathematics Achievement and Standard Deviations by Gender (Grade 8) (PDF, XLSX)
  • E.4 Average Science Achievement and Standard Deviations by Gender (Grade 8) (PDF, XLSX)

F. Average Percent Correct in the Content and Cognitive Domains (PDF)

  • F.1 Average Percent Correct in the Mathematics Content and Cognitive Domains (Grade 4) (PDF, XLSX)
  • F.2 Average Percent Correct in the Science Content and Cognitive Domains (Grade 4) (PDF, XLSX)
  • F.3 Average Percent Correct in the Mathematics Content and Cognitive Domains (Grade 8) (PDF, XLSX)
  • F.4 Average Percent Correct in the Science Content and Cognitive Domains (Grade 8) (PDF, XLSX)

G. Percentages of Students with Achievement Too Low for Estimation (PDF)

  • G.1 Percentages of Students with Mathematics Achievement Too Low for Estimation (Grade 4) (PDF, XLSX)
  • G.2 Percentages of Students with Science Achievement Too Low for Estimation (Grade 4) (PDF, XLSX)
  • G.3 Percentages of Students with Mathematics Achievement Too Low for Estimation (Grade 8) (PDF, XLSX)
  • G.4 Percentages of Students with Science Achievement Too Low for Estimation (Grade 8) (PDF, XLSX)

H. Organizations and Individuals Responsible for TIMSS 2019 (PDF)