The Eagles topped the Cardinals, 25-15, 25-10 and 25-17.
Madison Babinec led with 14 kills and three aces, while Mallori Whipple added six aces and four kills. Kaelinn Josza had eight kills and an ace. Ahria Doornbos chipped in four aces and three kills. Gracie Willea contributed 25 assists, three aces and two kills.
Oakridge will take on Fremont for the district title on Thursday at Whitehall.