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TIMSS 2019 Schedule

  • Spring 2017: Pilot data collection
  • Spring 2018: Field test data collection
  • Spring 2019: Main study data collection
  • July–December 2020: Analysis and reporting (release date is December 8, 2020)

TIMSS 2023 Schedule

  • Spring 2022: Field test data collection
  • Spring 2023: Main study data collection
  • July–December 2024: Analysis and reporting