Zillah High School
Prosser High School
Oakville High School
Northwest Christian High School - Lacey
Woodland High School
Kalama High School
Ridgefield High School
Kelso High School
Heritage High School
Battle Ground High School
White Swan High School
Columbia High School
Granger High School
Goldendale High School
Toutle Lake High School
Toledo High School
Eatonville High School
Olympic High School
Bellevue Christian High School
The Overlake School
Kent-Meridian High School
Kentlake High School
Thomas Jefferson High School
Decatur High School
Napavine High School
Forks High School
Hockinson High School
Tumwater High School
Inchelium High School
Republic High School
Ballard High School
Bishop Blanchet High School
Seattle Academy of Arts and Sciences
Garfield High School
Seattle Preparatory School
2026 WIAA Boys And Girls Basketball Postseason Tournament Multi-team Event
Issaquah High School
Mount Si High School
University Prep
Cedar Park Christian School - Bothell
Interlake High School
Inglemoor High School
Redmond High School
Lake Washington High School
Sammamish High School
Liberty High School - Issaquah