Interscholastic League of Honolulu was created in 1909.
University Interscholastic League was created in 1910.
Interscholastic Hockey League was created in 1998.
Rhode Island Interscholastic League was created in 1932.
Sussex County Interscholastic League was created in 1976.
Western Pennsylvania Interscholastic Athletic League was created in 1907.
Interscholastic was created in 1999.
Rhode Island Interscholastic League's motto is 'The Purest Form of Sport'.
California Interscholastic Federation was created in 1914.
Arizona Interscholastic Association was created in 1925.
Wisconsin Interscholastic Athletic Association was created in 1895.
Massachusetts Interscholastic Athletic Association was created in 1977.
Washington Interscholastic Activities Association was created in 1920.