Schools that never needed air conditioning are now overheating. The fixes will cost billions.
1970 temp. map
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-1-1970-xxsmall.jpg?v=30)
School days with temperatures above 80ºF
210+ days
No data
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-1-1970-xsmall.jpg?v=30)
School days with temperatures above 80ºF
210+ days
No data
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-1-1970-medium.jpg?v=30)
School days with temperatures above 80ºF
210+ days
No data
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-1-1970-xlarge.jpg?v=30)
School days with temperatures above 80ºF
No data
210+ days
2025 temp. map
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-2-2025-xxsmall.jpg?v=31)
School days with temperatures above 80ºF
210+ days
No data
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-2-2025-xsmall.jpg?v=31)
School days with temperatures above 80ºF
210+ days
No data
1970 temp. map
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-1-1970-xxsmall.jpg?v=30)
School days with temperatures above 80ºF
210+ days
No data
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-1-1970-xsmall.jpg?v=30)
School days with temperatures above 80ºF
210+ days
No data
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-1-1970-medium.jpg?v=30)
School days with temperatures above 80ºF
210+ days
No data
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-1-1970-xlarge.jpg?v=30)
School days with temperatures above 80ºF
No data
210+ days
2025 temp. map
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-2-2025-xxsmall.jpg?v=31)
School days with temperatures above 80ºF
210+ days
No data
![](https://gfx-data.news-engineering.aws. wapo.pub/ai2html/climatehotschools/RJVNQSSF5JHQDFVMQINK6V35RU/topper-step-2-2025-xsmall.jpg?v=31)
School days with temperatures above 80ºF
210+ days
No data
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