During the drills, which are state-mandated, students will be exiting the school and school buses will be present on school grounds at times other than normal arrival and dismissal periods, the Clarkstown Police said.
These drills are meant to ensure that students and staff are familiar will evacuation procedures in the event of an emergency.
Residents and motorists are asked to stay clear of the school campuses while these drills are taking place.
Emergency alert notifications will be sent to residents living around the schools as the drills take place.
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