Technical brief
Technical appendix for “Hot test days, lower math scores: How heat affects student achievement”
October 2025
By: Sofia Postell, Megan Kuhfeld, Susan Kowalski, Jazmin Isaacs

Description
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.
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Hot test days, lower math scores: How heat affects student achievement
This NWEA research report 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.
By: Megan Kuhfeld, Jim Soland, Sofia Postell
Products: MAP Growth


NWEA’s MAP Growth National Dashboard provides timely trends and data on U.S. student academic achievement and growth for grades K-8. This free public tool supports district leaders, state and federal policymakers, and other education stakeholders in interpreting local data within a broader national and state context. It helps identify areas of strength, shine light on disparities, and ground policy conversations in evidence.
Products: MAP Growth
Topics: COVID-19 & schools, Equity, Growth


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This short research brief highlights trends seen in the latest data released in the NWEA Map Growth National Dashboard. In this first edition of Trend Snapshots, key findings from Spring 2025 data highlight a modest, incremental recovery post COVID, but stalled progress in reading achievement.
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Products: MAP Growth
Topics: COVID-19 & schools, Growth


User Guide and FAQ: MAP Growth National Dashboard
This user guide explains how to navigate the MAP® Growth™ National Dashboard, understand the key metrics and terms, make appropriate comparisons of data, and communicate findings responsibly. This guide also includes a robust “Frequently Asked Questions” section that provides in-depth answers about the dashboard and its uses.
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Products: MAP Growth
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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.
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This NWEA research report emphasizes the vital role of family engagement in helping students recover academically from the disruptions of the COVID-19 pandemic. The report synthesizes current research on family engagement, examines the effectiveness of current strategies, identifies common barriers, and offers guidance for how districts can communicate more effectively with families about student progress.
By: Ayesha K. Hashim, Rebecca Johnson, Rachel Perera
Topics: COVID-19 & schools, Equity, Growth, Guidance