Brenda Mayo, principal of Cosby High School in Midlothian, said the fire sprinkler in a classroom was triggered when it was struck Thursday morning by a toy helicopter, WTVR-TV, Richmond, Va., reported Monday.
"While Cosby had no fire issues and students were never in danger, students in that classroom were moved to other locations," Mayo wrote. "With cleanup currently going on, we will retrieve and return belongings tomorrow for students in the affected classroom."
Chesterfield Schools spokesman Shawn Smith said the Virginia Department of Education and the College Board were informed the incident caused Advanced Placement testing to be disrupted for some students.
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