The Washington Interscholastic Activities Association is a private, nonprofit, 501(c)(3) service organization and rule-making body formed in 1905 to create equitable playing conditions among high school teams in Washington. The WIAA exists to assist member schools in operating student programs that foster achievement, respect, equity, enthusiasm and excellence in a safe and organized environment.
Currently, the WIAA consists of over 400 member high schools and 400 middle/junior high schools, both public and private. WIAA student participants gain valuable life skills in time management, communication, sportsmanship and teamwork through sports and activities. The WIAA plans, supervises and administers 120 state championships involving 19 different interscholastic sports and activities. State championships are held in a variety of locations throughout the state of Washington.