Students & staff were originally evacuated from the building.
Brunswick, Md (KM) Brunswick High students who walk or drive to school are being dismissed early on Wednesday, and students who ride the bus are being let go at their scheduled times.
The Frederick County School System say at around 11:35 AM, students and staff were evacuated to the stadium, and then later to nearby Brunswick Middle School due to an electrical issue affecting the air conditioning.
Officials say the students and staff are safe, and water is being provided.
Parents who want to pick up their children are asked to go to the Brunswick Middle School Gym entrance.
By Kevin McManus