Record Heat Closes Schools Across Midwest and Northeast U.S.

High temperatures in multiple cities forced schools to close or shift to remote learning.
Poor infrastructure and lack of air conditioning in many schools pose health risks during heat waves.
Nearly half of U.S. school districts need major upgrades to HVAC systems, leaving students vulnerable to extreme heat.
Midwestern and Northeastern cities were hit hardest, with some schools closing up to two days.
Officials aim to prevent heat-related illnesses in students and teachers during final weeks of the school year.