Jonathan Kinsman scored 15 points and Cameron Bean had 12 as Columbia Adventist advanced to the 1B District 4 championship game with the win over Oakville at Castle Rock.
The win also clinched a state regional berth for Columbia Adventist.
Matthew Rodriguez and Nick Squires added 10 points each for Columbia Adventist (14-3), which will face Taholah for the district title at 6:30 p.m. Saturday at Montesano.
COLUMBIA ADVENTIST 52, OAKVILLE 36
COLUMBIA ADVENTIST — Matthew Rodriguez 10, Jonathan Kinsman 15, Mikey Burdick 0, Nick Squires 10, Hayden Sherril 0, Josiah Redberg 0, Riley Phillips 0, Casey Shearer 0, Cameron Bean 12, Kaelan Willauer 0, Nicholas Anspach 5. Totals 15 (4) 18-22 52.
OAKVILLE — CJ Hollaway 0, NicK Christian 1, Casey Davis 0, Nathan Boyd 0, Devin Boyd 20, Samuel Starr Wright 0, Anthony Eichlberger 0, Alex Youckton 9, Roy Keller 6. Totals 14 (4) 4-14 36.
