- ADM 6-7 Middle School
- ADM 8-9 Middle School
- Audubon High School
- Ballard Community Junior High School
- Berg Middle School
- Boone Middle School
- Brody Middle School
- Callanan Middle School
- Carlisle Middle School
- Central Middle School
- Central Springs Middle School
- Charles City Middle School
- Colfax-Mingo Middle School
- Goodrell Middle School
- Harding Middle School
- Hiatt Middle School
- Hoyt Middle School
- James Madison Middle School
- Kirn Middle School
- McCombs Middle School
- Melcher-Dallas Junior High School
- Meredith Middle School
- Merrill Middle School
- Mount Vernon Middle School
- North Linn Middle School
- Oak Street Middle School
- Prairieview Middle High School
- South Hamilton Middle School
- Southeast Polk Junior High School
- Southeast Warren Junior High School
- Springville Secondary School
- St. Francis of Assisi
- Trinity Lutheran
- Union Middle School
- Urbandale Middle School
- Waverly-Shell Rock Junior High School
- West Harrison High School
- Weeks Middle School
- Westwood Middle School