As schools are returning to session following one of the hottest summers ever recorded, districts are faced with a new problem: how to handle increasingly extreme heatwaves, both in and outside the classroom.
Unbearably hot days are no longer just a summer problem. In the US districts from the north-east to the mountain west to the deep south are shortening days, delaying openings, and reworking calendars as temperatures spike during August and September, the typical back-to-school months.
