Because of inclement weather.
FCPS will be closed on Tuesday. Officials say all Tuesday afternoon and evening activities have been postponed.
All Frederick County Public School System offices are closed on Tuesday, but essential personnel are expected to report from 9:00 AM to 12:00 Noon.
Schools in Jefferson County, West Virginia will also be closed on Tuesday, because of the weather.
Other school closings include:
St. John Regional Catholic School.