| A-H-S-T-W |
0441 |
| Adair-Casey |
0018 |
| Adel-De Soto-Minburn |
0027 |
| AGWSR |
0009 |
| Akron Westfield |
0063 |
| Albert City-Truesdale |
0072 |
| Albia |
0081 |
| Alden |
0108 |
| Algona |
0126 |
| Allison-Bristow has merged. See North Butler |
0153M |
| Alta-Aurelia |
0171 |
| Ames |
0225 |
| Anamosa |
0234 |
| Andrew |
0243 |
| Ankeny |
0261 |
| Aplington-Parkersburg |
0279 |
| AR-WE-VA |
0355 |
| Atlantic |
0387 |
| Audubon |
0414 |
| Aurelia has merged. See Alta-Aurelia |
0423 |
| Ballard |
0472 |
| Battle Creek-Ida Grove has merged. See Odebolt-Arthur Battle Creek-Ida Grove |
0504 |
| Baxter |
0513 |
| BCLUW |
0540 |
| Belle Plaine |
0576 |
| Bellevue |
0585 |
| Belmond-Klemme |
0594 |
| Bennett |
0603 |
| Benton |
0609 |
| Bettendorf |
0621 |
| Bondurant-Farrar |
0720 |
| Boone |
0729 |
| Boyden-Hull |
0747 |
| Boyer Valley |
1917 |
| Brooklyn-Guernsey-Malcom |
0846 |
| Burlington |
0882 |
| Cal |
0918 |
| Calamus/Wheatland |
0916 |
| CAM |
0914 |
| Camanche |
0936 |
| Cardinal |
0977 |
| Carlisle |
0981 |
| Carroll |
0999 |
| Cedar Falls |
1044 |
| Cedar Rapids |
1053 |
| Center Point-Urbana |
1062 |
| Centerville |
1071 |
| Central |
1080 |
| Central City |
1089 |
| Central Decatur |
1093 |
| Central DeWitt |
1082 |
| Central Lee |
1079 |
| Central Lyon |
1095 |
| Central Springs |
4772 |
| Chariton |
1107 |
| Charles City |
1116 |
| Charter Oak-Ute |
1134 |
| Cherokee |
1152 |
| Clarinda |
1197 |
| Clarion-Goldfield |
1206 |
| Clarke |
1211 |
| Clarksville |
1215 |
| Clayton Ridge |
2763 |
| Clear Creek-Amana |
1221 |
| Clear Lake |
1233 |
| Clinton |
1278 |
| Colfax-Mingo |
1332 |
| College |
1337 |
| Collins-Maxwell |
1350 |
| Colo-Nesco |
1359 |
| Columbus |
1368 |
| Coon Rapids-Bayard |
1413 |
| Corning |
1431 |
| Council Bluffs |
1476 |
| Creston |
1503 |
| Dallas Center-Grimes |
1576 |
| Danville |
1602 |
| Davenport |
1611 |
| Davis County |
1619 |
| Delwood |
1675 |
| Denison |
1701 |
| Des Moines Public Schools |
1737 |
| Dike-New Hartford |
1791 |
| Dubuque |
1863 |
| Dunkerton |
1908 |
| Durant |
1926 |
| Eagle Grove |
1944 |
| Earlham |
1953 |
| East Buchanan |
1963 |
| East Marshall |
1968 |
| East Mills |
3978 |
| East Sac County |
6741 |
| East Union |
1970 |
| Eastern Allamakee |
1972 |
| Easton Valley |
1965 |
| Eddyville-Blakesburg |
0657M |
| Eddyville-Blakesburg-Fremont |
0657 |
| Edgewood-Colesburg |
1989 |
| Eldora-New Providence |
2007 |
| Elk Horn-Kimballton has merged. See Exira-Elk Horn-Kimballton |
2016 |
| English Valleys |
2097 |
| Essex |
2113 |
| Estherville Lincoln |
2124 |
| Exira-Elk Horn-Kimballton |
2151 |
| Fairfield |
2169 |
| Forest City |
2295 |
| Fort Dodge |
2313 |
| Fort Madison |
2322 |
| Fredericksburg has merged. See Sumner-Fredericksburg |
2349 |
| Fremont-Mills |
2369 |
| Galva-Holstein |
2376 |
| Garner-Hayfield-Ventura |
2403 |
| George-Little Rock |
2457 |
| Gilbert |
2466 |
| Gladbrook-Reinbeck |
2502 |
| Glenwood |
2511 |
| Glidden-Ralston |
2520 |
| GMG |
2682 |
| Graettinger-Terril |
2556 |
| Greene has merged. See North Butler |
2664M |
| Greene County |
3195 |
| Grinnell-Newburg |
2709 |
| Grundy Center |
2727 |
| Guthrie Center |
2754 |
| H-L-V |
2766 |
| Hamburg |
2772 |
| Hampton-Dumont |
2781 |
| Harlan |
2826 |
| Harmony has merged. See Van Buren County |
2834 |
| Harris-Lake Park |
2846 |
| Hartley-Melvin-Sanborn |
2862 |
| Highland |
2977 |
| Hinton |
2988 |
| Hubbard-Radcliffe |
3033 |
| Hudson |
3042 |
| Humboldt |
3060 |
| IKM-Manning |
3168 |
| Independence |
3105 |
| Indianola |
3114 |
| Interstate 35 |
3119 |
| Iowa City |
3141 |
| Iowa Falls |
3150 |
| Iowa Valley |
3154 |
| Jesup |
3204 |
| Johnston |
3231 |
| Keokuk |
3312 |
| Keota |
3330 |
| Kingsley-Pierson |
3348 |
| Knoxville |
3375 |
| Lake Mills |
3420 |
| Lamoni |
3465 |
| Laurens-Marathon |
3537 |
| Lawton-Bronson |
3555 |
| Le Mars |
3600 |
| Lenox |
3609 |
| Lewis Central |
3645 |
| Lineville-Clio |
3705M |
| Linn-Mar |
3715 |
| Lisbon |
3744 |
| Logan-Magnolia |
3798 |
| Lone Tree |
3816 |
| Louisa-Muscatine |
3841 |
| Lu Verne |
3897 |
| Lynnville-Sully |
3906 |
| Madrid |
3942 |
| Malvern |
3978M |
| Manning |
4014M |
| Manson Northwest Webster |
4023 |
| Maple Valley has merged. See Maple Valley-Anthon Oto |
4033M |
| Maple Valley-Anthon Oto |
0270 |
| Maquoketa |
4041 |
| Marcus-Meriden-Cleghorn |
4068 |
| Marion Independent |
4086 |
| Marshalltown |
4104 |
| Martensdale-St Marys |
4122 |
| Mason City |
4131 |
| Mediapolis |
4203 |
| Melcher-Dallas |
4212 |
| MFL Marmac |
4419 |
| Mid-Prairie |
4271 |
| Midland |
4269 |
| Missouri Valley |
4356 |
| MOC-Floyd Valley |
4149 |
| Montezuma |
4437 |
| Monticello |
4446 |
| Mormon Trail |
4505 |
| Morning Sun |
4509 |
| Moulton-Udell |
4518 |
| Mount Ayr |
4527 |
| Mount Pleasant |
4536 |
| Mount Vernon |
4554 |
| Murray |
4572 |
| Muscatine |
4581 |
| Nashua-Plainfield |
4599 |
| Nevada |
4617 |
| New Hampton |
4662 |
| New London |
4689 |
| Newell-Fonda |
4644 |
| Newton |
4725 |
| Nodaway Valley |
2673 |
| North Butler |
0153 |
| North Cedar |
3691 |
| North Fayette-Valley |
4774 |
| North Iowa |
0873 |
| North Kossuth |
4778 |
| North Linn |
4777 |
| North Mahaska |
4776 |
| North Polk |
4779 |
| North Scott |
4784 |
| North Tama County |
4785 |
| North Union |
0333 |
| Northeast |
4773 |
| Northeast Hamilton has merged. See Webster City |
4775 |
| Northwood-Kensett |
4788 |
| Norwalk |
4797 |
| Odebolt-Arthur Battle Creek-Ida Grove |
4860 |
| Oelwein |
4869 |
| Ogden |
4878 |
| Okoboji |
4890 |
| Olin Consolidated |
4905 |
| Orient-Macksburg |
4978 |
| Osage |
4995 |
| Oskaloosa |
5013 |
| Ottumwa |
5049 |
| Panorama |
5121 |
| Paton-Churdan |
5139 |
| PCM |
5160 |
| Pekin |
5163 |
| Pella |
5166 |
| Perry |
5184 |
| Pleasant Valley |
5250 |
| Pleasantville |
5256 |
| Pocahontas Area |
5283 |
| Prairie Valley |
5325 |
| Red Oak |
5463 |
| Remsen-Union |
5486 |
| Riceville |
5508 |
| River Valley |
1975 |
| Riverside |
5510 |
| Rock Valley |
5607 |
| Roland-Story |
5643 |
| Rudd-Rockford-Marble Rock |
5697 |
| Ruthven-Ayrshire |
5724 |
| Saydel |
5805 |
| Schaller-Crestland |
5823 |
| Sergeant Bluff-Luton |
5877 |
| Seymour |
5895 |
| Sheldon |
5949 |
| Shenandoah |
5976 |
| Sidney |
6003 |
| Sigourney |
6012 |
| Sioux Center |
6030 |
| Sioux Central |
6035 |
| Sioux City |
6039 |
| Solon |
6093 |
| South Central Calhoun |
6091 |
| South Hamilton |
6095 |
| South O'Brien |
6099 |
| South Page |
6097 |
| South Tama County |
6098 |
| Southeast Polk |
6101 |
| Southeast Warren |
6094 |
| Southeast Webster |
6096 |
| Spencer |
6102 |
| Spirit Lake |
6120 |
| Springville |
6138 |
| St Ansgar |
5751 |
| Stanton |
6165 |
| Storm Lake |
6219 |
| Stratford |
6246 |
| Sumner has merged. See Sumner-Fredericksburg |
6273 |
| Sumner-Fredericksburg |
6273 |
| Tipton |
6408 |
| Treynor |
6453 |
| Tri-Center |
6460 |
| Tri-County |
6462 |
| Tripoli |
6471 |
| Turkey Valley |
6509 |
| Twin Cedars |
6512 |
| Underwood |
6534 |
| Union |
6536 |
| United |
6561 |
| Urbandale |
6579 |
| Van Buren County |
6592 |
| Van Meter |
6615 |
| Villisca |
6651 |
| Vinton-Shellsburg |
6660 |
| Waco |
6700 |
| Wapello |
6759 |
| Wapsie Valley |
6762 |
| Washington |
6768 |
| Waterloo |
6795 |
| Waukee |
6822 |
| Waverly-Shell Rock |
6840 |
| Wayne |
6854 |
| Webster City |
6867 |
| West Bend-Mallard |
6921 |
| West Branch |
6930 |
| West Burlington Ind |
6937 |
| West Central |
6943 |
| West Central Valley |
6264 |
| West Delaware County |
6950 |
| West Des Moines |
6957 |
| West Fork |
5922 |
| West Hancock |
0819 |
| West Harrison |
6969 |
| West Liberty |
6975 |
| West Lyon |
6983 |
| West Marshall |
6985 |
| West Monona |
6987 |
| West Sioux |
6990 |
| Western Dubuque |
6961 |
| Westwood |
6992 |
| Whiting |
7002 |
| Williamsburg |
7029 |
| Wilton |
7038 |
| Winfield-Mt Union |
7047 |
| Winterset |
7056 |
| Woodbine |
7092 |
| Woodbury Central |
7098 |
| Woodward-Granger |
7110 |
