Kingco Athletic Conference

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.^[1]

High School	Location	Founded	Joined	Affiliation	2022-23 Enrollment	Nickname
Bothell	Bothell	1953	1953	Public (Northshore S.D.)	1,788^[2]	Cougars
Eastlake	Sammamish	1993	1993	Public (Lake Washington S.D.)	2,357^[3]	Wolves
Hazen	Renton	1968	2020	Public (Renton S.D.)	1,870^[4]	Highlanders
Issaquah	Issaquah	1905	1953	Public (Issaquah S.D.)	2,468^[5]	Eagles
Juanita	Kirkland	1971	1972	Public (Lake Washington S.D.)	1,692^[6]	Ravens
Lake Washington	Kirkland	1922	1953	Public (Lake Washington S.D.)	2,015^[7]	Kangaroos
Mount Si	Snoqualmie	1953	1953; 1997	Public (Snoqualmie Valley S.D.)	2,089^[8]	Wildcats
Newport	Bellevue	1964	1965	Public (Bellevue S.D.)	1,789^[9]	Knights
North Creek	Bothell	2017	2017	Public (Northshore S.D.)	1,797^[10]	Jaguars
Redmond	Redmond	1965	1965	Public (Lake Washington S.D.)	2,220^[11]	Mustangs
Skyline	Sammamish	1997	1997	Public (Issaquah S.D.)	2,199^[12]	Spartans
Woodinville	Woodinville	1983	1984	Public (Northshore S.D.)	1,659^[13]	Falcons

High School	Location	Founded	Joined	Affiliation	2022-23 Enrollment	Nickname
Bellevue	Bellevue	1923	1953	Public (Bellevue S.D.)	1,530^[14]	Wolverines
Highline	Burien	1924	2020	Public (Highline Public Schools)	1,326^[15]	Pirates
Inglemoor	Kenmore	1964	1966	Public (Northshore S.D.)	1,561^[16]	Vikings
Interlake	Bellevue	1968	1968	Public (Bellevue S.D.)	1,566^[17]	Saints
Liberty	Renton	1977	1997	Public (Issaquah S.D.)	1,492^[18]	Patriots
Mercer Island	Mercer Island	1957	1956	Public (Mercer Island S.D.)	1,526^[19]	Islanders
Sammamish	Bellevue	1959	1960	Public (Bellevue S.D.)	1,320^[20]	Redhawks

High School	Location	Founded	Joined	Affiliation	Enrollment	Nickname
Cedarcrest	Duvall	1993	1997; 2024	Public (Riverview School District (Washington))	931^[21]	Red Wolves
Evergreen	White Center	1955	2020	Public (Highline Public Schools)	1,043^[22]	Wolverines
Foster	Tukwila	1915	1953; 2020	Public (Tukwila S.D.)	867^[23]	Bulldogs
Lindbergh	Renton	1972	2020	Public (Renton S.D.)	1,274^[24]	Eagles
Renton	Renton	1911	2020	Public (Renton S.D.)	1,229^[25]	Redhawks

High School	Location	Founded	Joined	Left	Affiliation	Enrollment	Nickname
Ballard	Seattle, WA	1903	2003	2013	Public (Seattle Public Schools)	1,648	Beavers
Eastside Catholic	Sammamish, WA	1980	1985	1988	Private	602	Crusaders
Federal Way	Federal Way, WA	1938	1956	1965	Public (Federal Way Public Schools)	1,640	Eagles
Franklin	Seattle, WA	1912	1997	2007	Public (Seattle Public Schools)	1,241	Quakers
Garfield	Seattle, WA	1920	1997	2013	Public (Seattle Public Schools)	1,643	Bulldogs
Roosevelt	Seattle, WA	1922	1997	2013	Public (Seattle Public Schools)	1,533	Rough Riders

Members