| Cedar Rapids, Prairie | |
| Prairie, Cedar Rapids | 3252 |
| Muscatine | 3099 |
| Linn-Mar, Marion | 3076 |
| Iowa City, City High | 2990 |
| Iowa City, West | 2685 |
| Clinton | |
| Clinton | 3195 |
| Dubuque, Hempstead | 3165 |
| Dubuque, Senior | 3074 |
| Cedar Rapids, Jefferson | 2962 |
| Davenport Central | |
| Davenport, North | 3156 |
| Pleasant Valley | 3051 |
| Bettendorf | 2928 |
| Davenport, West | 2833 |
| Davenport, Central | 2666 |
| Des Moines East | |
| Ottumwa | 3107 |
| Des Moines, East | 2765 |
| Council Bluffs, Abraham Lincoln | 2758 |
| Council Bluffs, Thomas Jefferson | 2722 |
| Des Mones, Roosevelt | 2508 |
| Fort Dodge | |
| Fort Dodge | 3254 |
| Mason City | 3114 |
| Sioux City, North | 2877 |
| Sioux City, West | 2615 |
| Sioux City, East | 2457 |
| Johnston | |
| Des Moines, Abraham Lincoln | 2915 |
| Johnston | 2783 |
| Ankeny | 2767 |
| Valley, West Des Moines | 2680 |
| Waukee | 2244 |
| Marshalltown | |
| Marshalltown | 3306 |
| Southeast Polk | 3134 |
| Dowling Catholic, West Des Moines | 2865 |
| Urbandale | 2803 |
| Des Moines, North | 2492 |
| Waterloo West | |
| Waterloo, East | 3435 |
| Cedar Rapids, Washington | 3198 |
| Waterloo, West | 3050 |
| Cedar Rapids, Kennedy | 2744 |
| Cedar Falls | 2664 |