The purpose of this technical appendix is to share more detailed results and describe the sample and methods used in the research included in Student achievement in 2021-22: Cause for hope and continued urgency.

New NWEA research finds signs of academic rebounding in the 2021-22 school year while simultaneously underscoring the sustained need for urgency in responding to the COVID-19 crisis.

This report documents the norming study procedure used to produce the achievement and growth user norms for English MAP Reading Fluency Foundational Skills.

This study uses test scores from 5.4 million U.S. students in Grades 3–8 to track changes in math and reading achievement across the first 2 years of the COVID-19 pandemic.

This study used longitudinal data from a sample of 467 preschoolers to examine (1) if children’s executive function (EF) skills at the beginning of pre-K predict growth in their mathematics achievement across the pre-K year, (2) whether growth in learning behaviors, specifically task orientation, mediate the associations between EF and mathematics achievement, and (3) if there are sex differences in these associations.

Four-day school weeks have proliferated across the United States, but little is known about their implementation or their effects on students. This study uses district-level data from Oklahoma  to provide estimates of the causal effect of the 4-day school week on high school students’ ACT scores, attendance, and disciplinary incidents during school.

This study uses test scores from 4.9 million U.S. students in Grades 3 through 8 to examine the academic disruptions of the COVID-19 pandemic by modeling student achievement trends prior to and during the pandemic, with particular focus on growth in 2020-2021.