Interscholastic League of Honolulu was created in 1909.
University Interscholastic League was created in 1910.
Interscholastic Hockey League was created in 1998.
Sussex County Interscholastic League was created in 1976.
Rhode Island Interscholastic League was created in 1932.
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'.
Arizona Interscholastic Association was created in 1925.
California Interscholastic Federation was created in 1914.
Washington Interscholastic Activities Association was created in 1920.
Nevada Interscholastic Activities Association was created in 1922.
Massachusetts Interscholastic Athletic Association was created in 1977.