| Maine Ocean School | 1 | regular | high |
| Maine Prairie High (Continuation) | 84 | alternative | high |
| Maine South High School | 2,494 | regular | high |
| Maine Virtual Academy | 475 | regular | other |
| Maine West High School | 1,857 | regular | high |
| MAINE-ENDWELL MIDDLE SCHOOL | 577 | regular | middle |
| MAINE-ENDWELL SENIOR HIGH SCHOOL | 720 | regular | high |
| MAINLAND HIGH SCHOOL | 1,964 | regular | high |
| MAINLAND PREPARATORY ACADEMY | 327 | regular | other |
| Mainland Regional High School | 1,160 | regular | high |
| Mains Elementary | 408 | regular | elementary |
| Maisie E. Quinn School | 91 | regular | other |
| MAITLAND MIDDLE | 786 | regular | middle |
| Maize Central Elementary | 542 | regular | elementary |
| Maize Elementary | 413 | regular | elementary |
| Maize Intermediate School | 651 | regular | elementary |
| Maize Middle School | 635 | regular | middle |
| Maize Road Elementary School | 334 | regular | other |
| Maize South Elementary | 514 | regular | elementary |
| Maize South High School | 1,107 | regular | high |
| Maize South Intermediate School | 431 | regular | elementary |
| Maize South Middle School | 501 | regular | middle |
| Maize Sr High | 1,444 | regular | high |
| Maize Virtual Preparatory School | 446 | regular | other |
| Majestic Fields School | 732 | regular | other |
| Majestic School | 320 | regular | elementary |
| Majestic School | 726 | regular | elementary |
| Majestic Way Elementary | 421 | regular | elementary |
| Major Edwards Elementary | 462 | regular | other |
| Major General Raymond Murray High | 146 | alternative | high |
| Major General William R Shafter Elementary School | 380 | regular | other |
| Major George S. Welch Elementary School | 261 | regular | elementary |
| Major Howard W. Beal School | 623 | regular | elementary |
| Major Lynn Mokler | 510 | regular | elementary |
| Major Sheldon Wheeler Elementary School | 598 | regular | other |
| Major Sheldon Wheeler Middle School | 729 | regular | middle |
| Makaha Elementary School | 409 | regular | other |
| Makakilo Elementary School | 454 | regular | other |
| Makalapa Elementary School | 579 | regular | other |
| Makawao Elementary School | 463 | regular | other |
| Makefield El Sch | 397 | regular | elementary |
| Making Community Connections Charter School - Monadnock | 80 | regular | high |
| Making Waves Academy | 1,078 | regular | other |
| Malabar Intermediate School | 660 | regular | elementary |
| Malabar Street Elementary | 418 | regular | elementary |
| Malabon Elementary School | 322 | regular | elementary |
| MALAD ELEMENTARY SCHOOL | 386 | regular | other |
| MALAD MIDDLE SCHOOL | 216 | regular | middle |
| MALAD SENIOR HIGH SCHOOL | 315 | regular | high |
| Malaga Elementary | 192 | regular | elementary |
