Classes at Oglesby Elementary School, on Chicago's south side, were canceled Monday after a fire in one of the classrooms.
The fire was on the top floor of the school, on the 7600 block of South Green Street, officials said.
Staff was present at the school, but no students had arrived yet when the fire started, according to the fire department.
Firefighters had the fire out by about 7:30 a.m.
No injuries were reported.