Technical brief

Technical appendix for: Learning during COVID-19: An update on student achievement and growth at the start of the 2021-22 school year

December 2021

By: Megan Kuhfeld, Karyn Lewis


The purpose of this technical appendix is to share more detailed results and to describe more fully the sample and methods used in the research included in the brief, Learning during COVID-19: An update on student achievement and growth at the start of the 2021-22 school year. We investigated two research questions:

  1. How does student achievement in fall 2021 compare to pre-pandemic levels (namely fall 2019)?
  2. How did academic gains between fall 2019 and fall 2021 compare to normative growth expectations?
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