Rosseau Lake College is a co-ed boarding and day school for students from Grades 7 to 12, located on Lake Rosseau, on the northern border of the Muskoka District in Ontario, Canada. RLC is a member of the Canadian Accredited Independent Schools (CAIS), and the Conference of Independent Schools of Ontario Athletic Association (CISAA). The mission statement for RLC is to foster "Best of self" of its students. The average class size is between 10 and 15 students. The current property on which the school resides was gifted to the school by then owners, Roger Morris and Maurice East and the school was originally named Rosseau Lake School when it was founded in 1967. It began as an all-boys boarding school. The first Headmaster was Ronald H. Perry, who left retirement to rise to the challenge of creating this new school. In 1983, it became a co-educational school. Sports are mandatory for all students between 4:00pm and 5:00pm. Students can pick from a variety of sports throughout the school year.