Philadelphia School District schools that are not air-conditioned will close early Friday because of expected heat

District officials say they are working toward air-conditioning every school in the system, but that won’t happen until 2027.

Philly schools to close early Wednesday; officials decry 'dangerous' conditions inside schools

100 Philly schools to close early because of extreme heat

The Philadelphia School District won't be able to fully air-condition every district school until 2027

Downers Grove district delays start of fall classes due to Chicago-area heat wave – NBC Chicago

Philly school dismissals: How extreme heat impacts families - WHYY

100 Philly schools to close early because of extreme heat

Crippling heat is forcing northern U.S. schools to close. Again. - The Washington Post

Canceled classes, sweltering classrooms: How extreme heat impairs learning

Philly school dismissals: How extreme heat impacts families - WHYY

Philadelphia weather has heat wave, schools closing early

Friends of Penn Treaty School (FoPT)

Philadelphia School District: 100 schools dismissing early due to heat - 6abc Philadelphia

Philly schools dismiss early during first week due to heat - WHYY

Philadelphia schools and suburban districts closing early due to heat