SHAKER HEIGHTS, Ohio-- Firefighters responded to Shaker Heights High School on Friday.
There was a small fire contained to one of the classrooms, fire officials said.
The fire department closed the main building and did not permit students to return because of smoke.
According to the Shaker Heights City School District, students who are unable to go home should report to the high school's north gym to await pickup by their parents.
Middle school students who were visiting the planetarium at Shaker Heights High School returned to the middle school.