(TonyTheTiger / Wikimedia Commons)

Chicago Public Schools said heating issues at the school had been fixed Tuesday. But on Wednesday the district said several classrooms were suffering from insufficient heat circulation as temperatures across the city remained below freezing.

Kenwood Academy High School (TonyTheTiger / Wikimedia Commons)

A broken heater inside a South Side high school left students in classrooms without normal heat circulation on a day with record cold temperatures.