| Monterey ESA, CA (ISD) |
| Monterey Peninsula Unified, CA (District) |
| Montesano School District, WA (District) |
| Montessori Academy Inc., AZ (District) |
| Montessori Charter School Of Flagstaff Inc., AZ (PSA) |
| Montessori Day Public Schools Chartered Inc., AZ (PSA) |
| Montessori Education Centre Charter School, AZ (PSA) |
| Montessori Elementary School, NM (PSA) |
| Montessori For All, TX (PSA) |
| Montessori House Inc., AZ (District) |
| Montessori of the Rio Grande Charter, NM (PSA) |
| Montessori Regional Cs, PA (PSA) |
| Montessori Schoolhouse Of Tucson Inc., AZ (District) |
| Montevideo Public School District, MN (District) |
| Montezuma, KS (District) |
