International Database to be released on January 21, 2021
Data collection in Southern Hemisphere October–December 2020 and in Northern Hemisphere March–June 2021
TIMSS 2023 completes the transition
to eAssessment, which began with TIMSS 2019.
View the TIMSS 2023 Brochure
In memory of Joseph H. Galia, Jr, for his many contributions to the success of the TIMSS and PIRLS International Study Center over the past 20 years. We are fortunate and grateful to have had his extraordinary professional skills and beautiful, kind, and generous spirit with us.