Police were called to the school at 700 Bennett Street in Herndon about 12:42 a.m. on Aug. 31.
FCPS Security told police it received multiple motion alarms from inside the school. Police patrol officers set up a perimeter around the outside of the school, and a K9 team responded to check the inside of the building.
The 17-year-old male was located inside the school and found to be in possession of a set of interior door keys to the school. He was placed under arrest. The youth was treated by paramedics for a dog bite from the police K9.
The suspect was released to his parents. Criminal petitions are pending, police said.
In other crime news in the last week:
BURGLARY: 2400 block of Clover Field Circle, Herndon, Aug. 31 at 3:50 a.m. A resident reported that someone entered the residence and took property. There is no suspect information.
- 1800 block of Cameron Glen Drive, charger from residence
- 2300 block of Freetown Court, license from residence
- 11900 block of Market Street, computer from business
- 12100 block of Sunset Hills, knife from business
- 2100 block of Astoria Circle, bicycles from residence
- 2400 block of Centreville Road, wallet from business
- 1700 block of Clubhouse Road, bicycle from business
- 1400 block of Greenmont Court, cash and wallet from vehicle
- 1700 block of Ascot Way, golf cart from business
- 11100 block of Bowen Avenue, mail from residence
- 2200 block of Colts Neck Road, bicycle from residence
- 1500 block of Kingstream Circle, furniture from residence
- 1400 block of North Point Village Center, groceries from business