Hawkeye 10:
- (3-0) Lewis Central 25-25-25, Atlantic 4-14-20
- (3-0) Harlan 25-25-25, Red Oak 8-19-22
- (3-0) Kuemper Catholic 25-25-25, Shenandoah 18-13-19
- (3-0) Clarinda 25-25-25, Denison-Schleswig 20-15-19
- (3-0) CB Abraham Lincoln 25-25-25, Glenwood 21-9-12
Western Iowa:
- (3-1) A-H-S-T 19-25-25-25, Logan-Magnolia 25-17-22-23
- (3-1) Treynor 25-25-24-25, IKM-Manning 20-19-26-9
- (3-0) Underwood 25-25-25, Missouri Valley 21-16-15
Rolling Valley:
- (3-0) Adair-Casey 25-25-25, Glidden-Ralston 15-11-22
- (3-0) Exira/EHK 25-25-25, CAM 10-7-14
- (3-1) Coon Rapids-Bayard 20-25-25-25, Woodbine 25-23-20-22
Others:
- (3-1) Ar-We-Va 25-25-23-25, West Harrison 13-21-25-12
- (3-0) Bedford 25-25-25, Lenox 8-15-18
- (3-1) Des Moines Christian 25-21-27-25, Guthrie Center 20-25-25-17
- (3-0) Nodaway Valley 25-25-25, Mount Ayr 10-21-13
- (3-2) Sidney 23-20-25-25-15, East Mills 25-25-21-14-6
- (3-0) Fremont-Mills 25-25-25, Heartland Christian 19-13-17
- (3-0) Stanton 25-25-25, Clarinda Academy 3-4-5
- (3-0) Bedford 25-25-25, Lenox 8-15-18
- (3-1) Southwest Valley 25-23-25-25, East Union 19-25-15-15