| Name |
County |
| Grinnell - Newburg Middle School |
Poweshiek County |
| Hamburg Middle School |
Fremont County |
| Hampton - Dumont Middle School |
Franklin County |
| Harding Middle School |
Linn County |
| Harding Middle School |
Polk County |
| Harlan Community Middle School |
Shelby County |
| Hartley - Melvin - Sanborn Middle School |
O'Brien County |
| Hiatt Middle School |
Polk County |
| Highland Middle School |
Washington County |
| Hinton Middle School |
Plymouth County |
| Holmes Junior High School |
Black Hawk County |
| Hoover Middle School |
Black Hawk County |
| Howar Junior High School |
Appanoose County |
| Hoyt Middle School |
Polk County |
| Hudson Middle School |
Black Hawk County |
| Humboldt Middle School |
Humboldt County |
| IKM - Manning Middle School |
Carroll County |
| Indian Hills Junior High School |
Polk County |
| Indianola Middle School |
Warren County |
| Jesup Middle School |
Buchanan County |
| John Adams Middle School |
Cerro Gordo County |
| Johnston Middle School |
Polk County |
| Keokuk Middle School |
Lee County |
| Kingsley - Pierson Middle School |
Woodbury County |
| Knoxville Middle School |
Marion County |
| Kuemper Catholic Middle School / Saint Lawrence Center |
Carroll County |
| Lake Mills Community Middle School |
Winnebago County |
| Lamoni Middle School |
Decatur County |
| Lansing Middle School |
Allamakee County |
| LaSalle Middle School |
Linn County |
| Laurens - Marathon Middle School |
Pocahontas County |
| Le Mars Community Middle School |
Plymouth County |
| Lewis Central Middle School |
Pottawattamie County |
| Lynnville - Sully Middle School |
Jasper County |
| Maquoketa Middle School |
Jackson County |
| Maquoketa Valley Middle School |
Delaware County |
| Mater Dei School - Nativity Center |
Woodbury County |
| Maurice - Orange City - Floyd Valley Middle School |
Sioux County |
| Mazzuchelli Catholic Middle School |
Dubuque County |
| McCombs Middle School |
Polk County |
| McKinley STEAM Academy |
Linn County |
| Mediapolis Middle School |
Des Moines County |
| Meredith Middle School |
Polk County |
| Merrill Middle School |
Polk County |
| MFL MarMac Middle School |
Clayton County |
| Mid - Prairie Middle School |
Washington County |
| Miller Middle School |
Marshall County |
| Missouri Valley Middle School |
Harrison County |
| MMCRU Middle School |
Plymouth County |
| Monticello Middle School |
Jones County |
| Mount Pleasant Middle School |
Henry County |
| Mount Vernon Middle School |
Linn County |
| Nevada Middle School |
Story County |
| New Hampton Middle School |
Chickasaw County |
| Nodaway Valley Middle School |
Adair County |
| North Central Junior High School |
Johnson County |
| North Fayette Middle School |
Fayette County |
| North Iowa Middle School |
Winnebago County |
| North Linn Middle School |
Linn County |
| North Middle School |
Woodbury County |
| North Polk Middle School |
Polk County |
| North Scott Junior High School |
Scott County |
| North Winneshiek Middle School |
Winneshiek County |
| Northview Middle School |
Polk County |
| Northwest Junior High School |
Johnson County |
| Norwalk Middle School |
Warren County |
| OABCIG Middle School |
Sac County |
| Oak Ridge Middle School |
Linn County |
| Oelwein Middle School |
Fayette County |
| Ogden Middle School |
Boone County |
| Okoboji Middle School |
Dickinson County |
| Osage Middle School |
Mitchell County |
| Oskaloosa Middle School |
Mahaska County |
| Parkview Middle School |
Polk County |
| PCM Middle School |
Jasper County |
