Heat Hurts Learning | Science News

Science News Today | 2 Min News | The Daily News Now! · Sep 18, 2026 · 1m

Hot classrooms are hurting students’ grades—and it’s not just a summer problem. New research shows rising temperatures directly impair learning across math, science, and reading, with cumulative heat exposure weakening academic performance. Physiological strain and thermal discomfort sap focus and cognitive function, especially in aging school buildings without air conditioning. The impact hits hardest for low-income and marginalized students, who often lack cooling at home too. Solutions include later school start times and broader community efforts—because true learning can’t thrive in…