National Politics & Government Health & Safety Education Better ventilation means healthier students, but many schools can't afford to upgrade 4:22pm March 18, 2022 by Maria Godoy Politics Health Education Children's Health National Share URL copied to clipboard! Copyright 2022 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered World News National Former Brazilian president indicted over alleged coup plot Education National This year's FAFSA is officially open. Early review says it's 'a piece of cake' 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate