Gloucester High School is a high school in the Beacon Hill neighbourhood of Ottawa, Ontario, Canada. The school was founded in 1963 by the former Gloucester School Board. The school can harbour approximately 1,600 students.
The school has several clubs and organizations including Gators for Ghana, concert band, Reach for the Top, GHS Radio, Fashion Club, a school newspaper, the Gator Gazette; Gator Athletic Society and Gator Television (GTV). In 2010, Gloucester's Reach for the Top team came 4th at the national finals.