The heat-achievement analysis links daily temperature data to MAP Growth scores for grades 3–8 in six states¶

Claim · All claims
Evidence · 1 study · associational r? · q2
Currency · newest study 2025 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? The study combines daily temperature data with MAP Growth scores for grades 3–8 across six states, using roughly three million test events from fall 2022, 2023 and 2024. → Sofia Postell 2025

Evidence¶

Sofia Postell 2025¶

Sofia Postell, Megan Kuhfeld, Susan Kowalski, Jazmin Isaacs. (2025). Hot test days, lower math scores: How heat affects student achievement. NWEA research brief. https://www.nwea.org/research/publication/hot-test-days-lower-math-scores-how-heat-affects-student-achievement/

q2 · i? · associational · r?

Descriptive statement of the study's data and scope as printed in the brief's description: temperature data from various sources merged with MAP Growth scores for grades 3–8 across six states, covering roughly three million test events from fall 2022, 2023 and 2024.

"The study combines daily temperature data from various sources with MAP Growth scores for grades 3–8 across six states. Drawing on roughly three million test events from fall 2022, 2023 and 2024"

Discussion¶

Related Claims¶

• Higher temperatures most strongly affect math scores on test days — related
• Students in high-poverty schools face the greatest impact from hot test days — related
• Heat effects on student performance may be more extreme for students in high-poverty schools where cooling conditions may be less reliable — related
• Environmental temperatures on test days are associated with student math and reading performance, per the report this appendix documents — related
• Physical environment elements — sunlight, nature views, temperature, and lighting — affect learning — related