Alabama High School Athletic Association (AHSAA, 1924)
Alaska School Activities Association (ASAA, 1956)
Arizona Interscholastic Association, Inc. (AIA, 1925)
Arkansas Activities Association (AAA, 1924)
California Interscholastic Federation (CIF, 1940)
Colorado High School Activities Association (CHSAA, 1924)
Connecticut Interscholastic Athletic Conference (CIAC, 1926)
Delaware Interscholastic Athletic Association (DIAA, 1945)
Florida High School Activities Association (FHSAA, 1926)
Georgia High School Association (GHSA, 1929)
Hawaii High School Athletic Association (HHSAA, 1957)
Idaho High School Activities Association (IHSAA, 1926)
Illinois High School Association (IHSA, 1920)
Indiana High School Athletic Association (IHSAA, 1924)
Iowa High School Athletic Association (IHSAA, 1920)
Kansas State High School Activities Association (KSHSAA, 1923)
Kentucky High School Athletic Association (KHSAA, 1941)
Louisiana High School Athletic Association (LHSAA, 1925)
Maine Principals Association (MPA, 1939)
Maryland Public Secondary Schools Athletic Association (MPSSAA, 1946)
Massachusetts Interscholastic Activities Association (MIAA, 1944)
Michigan High School Athletic Association (MHSAA, 1920)
Minnesota State High School League (MHSL, 1923)
Mississippi High School Activities Association (MHSAA, 1924)
Missouri State High School Activities Association (MSHSAA, 1926)
Montana High School Association (MHSA, 1934)
Nebraska School Activities Association (NSAA, 1924)
Nevada Interscholastic Activities Association (NIAA, 1939)
New Hampshire Interscholastic Athletic Association (NHIAA, 1945)
New Jersey State Interscholastic Athletic Association (NJSIAA, 1942)
New Mexico Activities Association (NMAA, 1932)
New York State Public HS Athletic Association (NYSPHSAA, 1926)
North Carolina High School Athletic Association (NCHSAA, 1949)
North Dakota High School Activities Association (NDHSAA, 1923)
Ohio High School Athletic Association (OHSAA, 1924)
Oklahoma Secondary Schools Activities Association (OSSAA, 1924)
Oregon School Activities Association
Pennsylvania Interscholastic Athletic Association (PIAA, 1924)
Rhode Island Interscholastic League (RIIL, 1952)
South Carolina High School League (SCHSL, 1947)
South Dakota High School Activities Association (SDHSAA, 1923)
Tennessee Secondary School Athletic Association (TSSAA, 1925)
Texas – University Interscholastic League (UIL, 1969)
Utah High School Activities Association (UHSAA, 1927)
Vermont Principals Association (VPA, 1945)
Virginia High School League (VHSL, 1948)
Washington Interscholastic Activities Association (WIAA, 1936)
West Virginia Secondary Schools Athletic Commission (WVSSAC, 1925)
Wisconsin Interscholastic Athletic Association (WIAA, 1920)
Wyoming High School Activities Association (WHSAA, 1936)