This is the technical appendix for the research brief titled, “Should kindergartners be redshirted?” which examines the data on holding back five-year-olds from starting kindergarten – a practice known as redshirting.

This is the technical appendix to the research brief titled, “From loss to recovery: Diverging paths and uneven gains across schools,” which examines two components of school recovery post-COVID pandemic to better understand recovery patterns.

This is the technical appendix to the “Unequal Access to 8th-Grade Algebra: How School Offerings and Placement Practices Limit Opportunity” research brief, which examines how access to early Algebra remains highly inequitable across the United States.

This is the technical appendix to “Hot test days, lower math scores: How heat affects student achievement” research report that examines the impact of environmental temperatures on student performance in math and reading, and whether those effects are more extreme for students in high-poverty schools, where cooling conditions may be less reliable.

This is the accompanying technical appendix to the MAP Growth National Dashboard providing more details of the data and describing more fully the sample and methods used within the dashboard.

This is the accompanying technical appendix to the research study, “Boys regain the advantage in middle school STEM skills: Post-COVID trends in gender achievement gaps,” leveraging data from three national assessments, as well as enrollment in Algebra, to examine trends in gender gaps in 8th grade STEM skills over the course of the pandemic.

This is the accompanying technical brief to the new report (Covid’s impact on science achievement: Trends from 2019 through 2024) that examines the pandemic’s impacts on academic achievement and gain in Science and continues ongoing research by NWEA® analyzing the degree to which the COVID-19 pandemic, and its associated school closures, influenced student learning.