The KingCo Athletic Conference is a high school athletics conference in King County, Washington, part of the Washington Interscholastic Activities Association (WIAA). Its 25 members are in SeaKing District II, which includes Seattle and east King County, and includes schools in the four highest classification levels: 4A, 3A, 2A, and 1A.
As of 2024âÂÂ25 school year