| SUBSTATE SITE | |||||
| BAXTER | MISSOURI VALLEY | 23 | CMB, BAXTER | 21 | |
| BONDURANT-FARRAR | BONDURANT-FARRAR | 27 | MAPLE VALLEY-ANTHON-OTO | 14 | |
| CASCADE | CASCADE | 26 | HUDSON | 0 | |
| DAVIS COUNTY, BLOOMFIELD | DAVIS COUNTY, BLOOMFIELD | 28 | NORTH CEDAR, STANWOOD | 26 | |
| EAGLE GROVE | EAGLE GROVE | 14 | SIOUX CENTER | 7 | |
| GILBERT | GILBERT | 21 | SUMNER-FREDERICKSBURG | 19 | |
| IKM-MANNING | IKM-MANNING | 35 | WEST MARSHALL, STATE CENTER | 30 | |
| JEFFERSON | KUEMPER CATHOLIC, CARROLL | 36 | PCM, MONROE | 7 | |
| MID-PRAIRIE, WELLMAN | MID-PRAIRIE, WELLMAN | 44 | CENTER POINT-URBANA | 14 | |
| NORTH FAYETTE, WEST UNION | NORTH FAYETTE, WEST UNION | 48 | ROLAND-STORY | 18 | |
| OSAGE | OSAGE | 48 | BECKMAN, DYERSVILLE | 14 | |
| POCAHONTAS | SHELDON | 26 | POCAHONTAS AREA/PP | 12 | |
| REGINA, IOWA CITY | REGINA, IOWA CITY | 28 | WEST BURLINGTON/NOTRE DAME | 5 | |
| ROCK VALLEY | ROCK VALLEY | 42 | EAST SAC COUNTY | 20 | |
| SOLON | SOLON | 48 | MEDIAPOLIS | 12 | |
| WESTERN CHRISTIAN, HULL | WESTERN CHRISTIAN, HULL | 62 | CHEROKEE | 20 |