| Millburn CCSD 24, IL (District) |
| Millburn Township Schools, NJ (District) |
| Millbury, MA (District) |
| Millcreek Township SD, PA (District) |
| Millcreek-West Unity Local School District, OH (District) |
| Mille Lacs County, MN (ISD) |
| Millennium Charter Academy, NC (District) |
| Millennium Community School, OH (PSA) |
| Miller Area School District, SD (District) |
| Miller City-New Cleveland Local School District, OH (District) |
| Miller Co. R-Iii, MO (District) |
| Miller County, MO (ISD) |
| Miller County, AR (ISD) |
| Miller County, GA (ISD) |
| Miller County, GA (District) |
