Seattle Prep defeated Jackson of Mill Creek in three games to capture the Puget Sound Adidas Volleyball Invitational at Auburn Mountainview High School on Saturday.
Game scores were 22-25, 25-14, 16-14.
Auburn Riverside finished fourth in the tournament, falling to Kamiak, 25-7.
The host Lions settled for fifth, beating Archbishop Murphy, 25-22.
Auburn was ninth, topping Marysville, 27-25.