| SCHOOL | CITY | CHARTER |
| ABERDEEN HS | ABERDEEN | 01/07/1929 |
| ADAMS HS | CLARKSTON | 03/12/1940 |
| ANACORTES HS | ANACORTES | 12/10/1945 |
| ARLINGTON HS | ARLINGTON | 10/08/1964 |
| AUBURN ACADEMY | AUBURN | 09/17/1962 |
| AUBURN HS | AUBURN | 04/10/1932 |
| AUBURN MOUNTAINVIEW HS | AUBURN | 02/21/2008 |
| BALLARD HS | SEATTLE | 11/10/1937 |
| BATTLE GROUND HS | BATTLE GROUND | 05/12/1937 |
| BELLARMINE HS | TACOMA | 11/25/1942 |
| BELLEVUE CHRISTIAN HS | BELLEVUE | 02/20/1989 |
| BELLEVUE HS | BELLEVUE | 01/15/1943 |
| BELLINGHAM HS | BELLINGHAM | 11/11/1949 |
| BETHEL HS | SPANAWAY | 09/19/1966 |
| BLAINE HS | BLAINE | 03/28/1977 |
| BOTHELL HS | BOTHELL | 10/22/1952 |
| BREMERTON HS | BREMERTON | 11/01/1948 |
| CAMAS HS | CAMAS | 04/12/1948 |
| CAPITAL HS | OLYMPIA | 10/09/1978 |
| CASCADE CHRISTIAN HS | PUYALLUP | 09/28/1998 |
| CASCADE HS | LEAVENWORTH | 11/20/1941 |
| CASCADE SR HS | EVERETT | 03/19/1962 |
| CASHMERE SR HS | CASHMERE | 12/20/1938 |
| CASTLE ROCK HS | CASTLE ROCK | 12/03/1942 |
| CEDARCREST HS | DUVALL | 02/03/1948 |
| CENTRAL KITSAP HS | SILVERDALE | 03/15/1963 |
| CENTRAL VALLEY HS | VERADALE | 10/20/1954 |
| CENTRALIA HS | CENTRALIA | 01/17/1938 |
| CHARLES WRIGHT ACADEMY | TACOMA | 03/07/1980 |
| CHELAN HS | CHELAN | 09/24/1976 |
| CHENEY HS | CHENEY | 05/20/1944 |
| CHIMACUM HS | CHIMACUM | 02/17/1949 |
| CLE ELUM-Roslyn HS | CLE ELUM | 10/15/1990 |
| CLEVELAND HS | SEATTLE | 03/25/1938 |
| CLOVER PARK HS | LAKEWOOD | 10/22/1999 |
| COLFAX HS | COLFAX | 04/26/1963 |
| COLTON HS | COLTON | 12/03/1938 |
| COLUMBIA ACADEMY | BATTLE GROUND | 11/23/1970 |
| COLUMBIA HIGH SCHOOL | WHITE SALMON | 01/28/1980 |
| COLUMBIA RIVER HS | VANCOUVER | 10/12/1965 |
| COLVILLE HS | COLVILLE | 01/19/1970 |
| CONCRETE HS | CONCRETE | 03/01/1952 |
| CONNELL HS | CONNELL | 02/20/1964 |
| CURTIS SR HS | TACOMA | 01/15/1962 |
| DAVIS SR HS | YAKIMA | 10/01/1948 |
| DECATUR HS | FEDERAL WAY | 09/12/2002 |
| DEER PARK HS | DEER PARK | 05/12/1988 |
| DESALES HS | WALLA WALLA | 04/22/1955 |
| EASTMONT HS | EAST WENATCHEE | 12/12/2016 |
| EATONVILLE HS | EATONVILLE | 12/02/1982 |
| EDMONDS HS | EDMONDS | 10/10/1935 |
| EISENHOWER SR HS | YAKIMA | 02/10/1958 |
| ELLENSBURG HS | ELLENSBURG | 09/28/1967 |
| ELMA HS | ELMA | 02/15/1955 |
| ENTIAT HS | ENTIAT | 10/09/1961 |
| ENUMCLAW HS | ENUMCLAW | 10/10/1958 |
| EPHRATA HS | EPHRATA | 02/10/1972 |
| EVERETT HS | EVERETT | 12/06/1945 |
| EVERGREEN HS | VANCOUVER | 11/04/1949 |
| EVERGREEN HS | SEATTLE | 03/09/1970 |
| FEDERAL WAY HS | FEDERAL WAY | 10/26/1959 |
| FERNDALE HS | FERNDALE | 10/04/1971 |
| FIFE HS | TACOMA | 01/28/1949 |
| FORKS HS | FORKS | 03/28/1967 |
| FOSTER HS | SEATTLE | 03/22/1944 |
| FRANKLIN HS | SEATTLE | 04/05/1928 |
| FRANKLIN PIERCE HS | TACOMA | 04/01/1955 |
| FREEMAN HS | ROCKFORD | 10/06/1939 |
| FT VANCOUVER HS | VANCOUVER | 04/19/1929 |
| GARFIELD – PALOUSE SR HS | PALOUSE | 02/28/1940 |
| GARFIELD HS | SEATTLE | 06/20/1935 |
| GLACIER PEAK HS | SNOHOMISH | 03/09/2016 |
| GONZAGA PREPARATORY SCHOOL | SPOKANE | 10/05/1939 |
| GOV JOHN ROGERS HS | PUYALLUP | 04/04/1977 |
| GRANDVIEW HS | GRANDVIEW | 11/25/1947 |
| HAZAFON HS | MERCER ISLAND | 12/22/1986 |
| HAZEN HS | RENTON | 02/11/1992 |
| HENRY M. JACKSON HS | MILL CREEK | 02/22/2010 |
| HIGHLAND HS | COWICHE | 01/23/1978 |
| HIGHLINE HS | BURIEN | 11/05/1936 |
| HOLY NAMES ACAD | SEATTLE | 11/15/1948 |
| HOQUIAM HS | HOQUIAM | 02/12/1952 |
| HUDSON’S BAY HS | VANCOUVER | 12/05/1955 |
| ILWACO HS | ILWACO | 01/01/1937 |
| INGLEMOOR HS | BOTHELL | 10/02/1969 |
| INGRAHAM HS | SEATTLE | 04/22/1970 |
| ISSAQUAH HS | ISSAQUAH | 05/12/1955 |
| J F KENNEDY HS | BURIEN | 09/02/1977 |
| JOEL E FERRIS HS | SPOKANE | 01/08/1965 |
| JOHN R ROGERS HS | SPOKANE | 05/01/1933 |
| JUANITA HS | KIRKLAND | 02/04/1993 |
| KAHLOTUS HS | KAHLOTUS | 09/28/1984 |
| KAMIAKIN HS | KENNEWICK | 04/22/1991 |
| KELSO SR HS | KELSO | 03/30/1937 |
| KENNEWICK HS | KENNEWICK | 11/15/1951 |
| KENTLAKE HS | COVINGTON | 11/03/2003 |
| KETTLE FALLS HS | KETTLE FALLS | 03/01/1973 |
| KING’S HS | SEATTLE | 03/08/1991 |
| KIONA-BENTON HS | BENTON CITY | 02/13/1979 |
| KITTITAS SECONDARY SCHOOL | KITTITAS | 09/07/2011 |
| LA CROSSE HS | LA CROSSE | 10/16/1989 |
| LAKE ROOSEVELT HS | COULEE DAM | 11/28/1944 |
| LAKE STEVENS HS | LAKE STEVENS | 10/05/1982 |
| LAKE WASHINGTON HS | KIRKLAND | 05/15/1946 |
| LAKES HS | LAKEWOOD | 01/12/1965 |
| LEWIS & CLARK HS | SPOKANE | 04/04/1927 |
| LIBERTY HS | RENTON | 01/24/1986 |
| LINCOLN HS | TACOMA | 03/12/1928 |
| LINDBERGH HS | RENTON | 11/21/1986 |
| LYNNWOOD HS | BOTHWELL | 09/16/1991 |
| MABTON HS | MABTON | 09/25/1953 |
| MANSON HS | MANSON | 01/25/1951 |
| MARYSVILLE HS | MARYSVILLE | 10/25/1956 |
| MEAD SR HS | SPOKANE | 09/15/1969 |
| MEADOWDALE SR HS | LYNNWOOD | 01/19/1965 |
| MERCER ISLAND HS | MERCER ISLAND | 11/01/1956 |
| MERIDIAN HS | BELLINGHAM | 11/04/1949 |
| MILLER HS | OLYMPIA | 03/28/1932 |
| MONROE HS | MONROE | 10/20/1947 |
| MOSES LAKE HS | MOSES LAKE | 04/01/1946 |
| MOSSYROCK HS | MOSSYROCK | 10/26/1981 |
| MOUNTAIN VIEW HS | VANCOUVER | 10/02/1984 |
| MOXEE HS | MOXEE | 10/01/1955 |
| MT BAKER JR-SR HS | DEMING | 01/03/1939 |
| MT RANIER SR HS | DES MOINES | 04/03/1980 |
| MT SI HS | SNOQUALMIE | 10/23/1962 |
| MT TAHOMA HS | TACOMA | 12/27/1961 |
| MT. VERNON HS | MOUNT VERNON | 05/29/1928 |
| NACHES VALLEY HS | NACHES | 09/15/1950 |
| NAPAVINE HS | NAPAVINE | 10/08/1970 |
| NATHAN HALE HS | SEATTLE | 04/27/1966 |
| NEWPORT HS | NEWPORT | 09/30/1952 |
| NEWPORT HS | BELLEVUE | 11/23/1964 |
| NOOKSACK VALLEY HS | EVERSON | 12/15/1949 |
| NORTH BEACH HS | OCEAN SHORES | 01/08/1942 |
| NORTH CENTRAL HS | SPOKANE | 10/05/1939 |
| NORTH KITSAP HS | POULSBO | 10/01/1941 |
| NORTH MASON HS | BELFAIR | 03/24/1975 |
| NORTH THURSTON HS | OLYMPIA | 01/28/1958 |
| O’DEA HS | SEATTLE | 02/01/1938 |
| OAK HARBOR HS | OAK HARBOR | 02/20/1962 |
| ODESSA HS | ODESSA | 01/28/1958 |
| OKANOGAN HS | OKANOGAN | 10/01/1962 |
| OMAK HS | OMAK | 02/04/1949 |
| ORCAS ISLAND HS | EASTSOUND | 07/18/1997 |
| OROVILLE HS | OROVILLE | 11/10/1959 |
| PENINSULA HS | GIG HARBOR | 12/08/1952 |
| POMEROY HS | POMEROY | 01/01/1952 |
| PORT ANGELES HS | PORT ANGELES | 01/20/1944 |
| PORT TOWNSEND HS | PORT TOWNSEND | 10/01/1954 |
| PRAIRIE HS | BATTLE GROUND | 09/29/1994 |
| PROSSER SR HS | PROSSER | 01/13/1942 |
| PULLMAN HS | PULLMAN | 06/05/1944 |
| PUYALLUP HS | PUYALLUP | 12/01/1936 |
| QUILCENE HS | QUILCENE | 02/09/1967 |
| RAINIER BEACH HS | SEATTLE | 05/22/1961 |
| RAINIER HS | RAINIER | 11/14/1968 |
| REARDAN HS | REARDAN | 11/11/1974 |
| REDMOND HS | REDMOND | 11/08/1965 |
| RENTON HS | RENTON | 11/25/1936 |
| RICHLAND HS-WA | RICHLAND | 01/01/1948 |
| RITZVILLE HS | RITZVILLE | 10/01/1956 |
| RIVER RIDGE HS | LACEY | 03/30/2001 |
| RIVERSIDE CHRISTIAN SCHOOL | YAKIMA | 10/15/2007 |
| RIVERSIDE HS | CHATTAROY | 05/20/1949 |
| ROBERT LONG HS | LONGVIEW | 04/03/1945 |
| ROCHESTER HS | ROCHESTER | 12/05/1951 |
| ROOSEVELT HS | SEATTLE | 01/25/1935 |
| SAMMAMISH HS | BELLEVUE | 03/12/1970 |
| SEATTLE CHRISTIAN HS | SEATAC | 01/23/1989 |
| SEATTLE LUTHERAN HS | SEATTLE | 09/26/1995 |
| SEATTLE PREPARATORY SCHOOL | SEATTLE | 02/01/1988 |
| SEDRO WOOLEY SR HS | SEDRO-WOOLEY | 10/25/1939 |
| SELAH HS | SELAH | 03/20/1956 |
| SEQUIM HS | SEQUIM | 03/07/1942 |
| SHADLE PARK HS | SPOKANE | 01/24/1961 |
| SHELTON HS | SHELTON | 12/15/1943 |
| SHORECREST HS | SHORELINE | 03/25/1963 |
| SHOREWOOD HS | SEATTLE | 06/30/1980 |
| SKYKOMISH HS | SKYKOMISH | 12/13/1965 |
| SNOHOMISH HS | SNOHOMISH | 04/15/1946 |
| SOUTH BEND HS | SOUTH BEND | 11/25/1957 |
| SOUTH KITSAP HS | PORT ORCHARD | 01/14/1994 |
| SOUTH WHIDBEY HS | LANGLEY | 12/01/1948 |
| SPANAWAY LAKE HS | SPANAWAY | 02/14/1992 |
| ST PLACID HS | OLYMPIA | 11/20/1964 |
| STADIUM HS | TACOMA | 03/20/1927 |
| STANWOOD HS | STANWOOD | 02/20/1951 |
| STEILACOOM HS | STEILACOOM | 03/23/1964 |
| STEVENSON HS | STEVENSON | 05/15/1950 |
| SULTAN HS | SULTAN | 02/01/1956 |
| SUMNER HS | SUMNER | 02/25/1939 |
| SUNNYSIDE HS | SUNNYSIDE | 09/24/1970 |
| TAHOMA HS | COVINGTON | 04/15/1954 |
| TENINO HS | TENINO | 05/25/1954 |
| TERRACE HS | MOUNTLAKE TERR | 03/24/1961 |
| TIMBERLINE HS | OLYMPIA | 03/25/1971 |
| TOLEDO HS | TOLEDO | 12/05/1946 |
| TONASKET HS | TONASKET | 11/04/1949 |
| TOPPENISH HS | TOPPENISH | 02/25/1955 |
| TOUCHET HS | TOUCHET | 01/28/1949 |
| TUMWATER HS | TUMWATER | 11/03/1969 |
| TYEE HS | SEATTLE | 04/22/1968 |
| UNIVERSITY HS | SPOKANE | 12/15/1969 |
| VALLEY CHRISTIAN SCHOOL | SPOKANE | 09/16/2002 |
| VASHON HS | VASHON | 01/20/1949 |
| WAHKIAKUM HSO HS | CATHLEMET | 12/20/1948 |
| WAITSBURG HS | WAITSBURG | 09/11/1998 |
| WALLA WALLA HS | WALLA WALLA | 12/05/1926 |
| WAPATO SR HS | WAPATO | 10/05/1939 |
| WASHOUGAL HS | WASHOUGAL | 02/04/1949 |
| WASHTUCNA HS | WASHTUCNA | 02/20/1948 |
| WATERVILLE HS | WATERVILLE | 03/08/1965 |
| WENATCHEE SR HS | WENATCHEE | 05/05/1927 |
| WEST SEATTLE HS | SEATTLE | 04/26/1934 |
| WEST VALLEY HS | YAKIMA | 09/21/1964 |
| WEST VALLEY HS | SPOKANE | 11/25/1968 |
| WF WEST HS | CHEHALIS | 12/05/1995 |
| WHITE RIVER HS | BUCKLEY | 12/05/1955 |
| WHITE SWAN HS | WHITE SWAN | 09/01/1998 |
| WILLAPA VALLEY HS | MENLO | 10/04/1968 |
| WISHKAH VALLEY HS | ABERDEEN | 04/10/1964 |
| WOODINVILLE HS | WOODINVILLE | 12/12/1985 |
| WOODLAND HS | WOODLAND | 11/10/1953 |
| WOODWAY HS | EDMONDS | 03/09/1970 |
| YELM HS | YELM | 12/12/1946 |
