Sheldon def. George-Little Rock 25-13, 25-11, 25-11

Boyden-Hull def. MOC-Floyd Valley 25-20, 24-26, 22-25, 25-21, 15-12

Sioux Center def. Central Lyon 25-17, 19-25, 25-12, 25-13

West Lyon def. Okoboji 25-8, 25-18, 25-22

Rock Valley def. Sibley-Ocheyedan 25-23, 25-19, 25-21

Sergeant Bluff-Luton def. Western Christian 25-20, 25-21, 22-25, 20-25, 15-6

Gehlen Catholic def. Trinity Christian 25-12, 25-7, 25-15

South O'Brien def. Hartley-Melvin-Sanborn 25-17, 25-14, 25-17