| Milford School District, NH (District) |
| Milford School District, CT (District) |
| Mill A School District, WA (District) |
| Mill Creek, OK (District) |
| Mill Creek Academy, MI (PSA) |
| Mill Creek Academy Inc., WI (PSA) |
| Mill Creek Community Sch Corp, IN (District) |
| Mill Creek Valley, KS (District) |
| Mill Falls Charter School District, NH (District) |
| Mill Valley Elementary, CA (District) |
| Millard County, UT (ISD) |
| Millard District, UT (District) |
| Millard Public Schools, NE (District) |
| Millbrae Elementary, CA (District) |
| Millbrook Central School District, NY (District) |
