Inter-Scholastic Athletic Association was created in 2009.
Massachusetts Interscholastic Athletic Association was created in 1977.
Pennsylvania Interscholastic Athletic Association was created in 1913.
Wisconsin Interscholastic Athletic Association was created in 1895.
New Jersey Interscholastic Athletic Association was created in 1896.
New Hampshire Interscholastic Athletic Association was created in 1947.
District of Columbia Interscholastic Athletic Association was created in 1958.
New Jersey State Interscholastic Athletic Association was created in 1918.
Massachusetts Interscholastic Athletic Association's motto is 'Building the future through athletics'.
Arizona Interscholastic Association was created in 1925.
Western Pennsylvania Interscholastic Athletic League was created in 1907.
Washington Interscholastic Activities Association was created in 1920.
Nevada Interscholastic Activities Association was created in 1922.