| Maine Classical School | 3.3 |
Special program emphasis | 5-10 | 26 | 4.0 | Christian (no specific denomination) |
| Pine Tree Academy | 3.8 |
Regular elementary or secondary | KG-12 | 119 | 9.5 | Seventh-Day Adventist |
| Merriconeag Waldorf School | 5.3 |
Special program emphasis | Pre-KG-10 | 222 | 6.0 | Nonsectarian |
| Lisbon Falls Christian Academy | 7.3 |
Regular elementary or secondary | KG-12 | 75 | 6.2 | Baptist |
| Open Door Christian Academy | 9.1 |
Regular elementary or secondary | Pre-KG-12 | 58 | 8.0 | Baptist |
| North Yarmouth Academy | 9.4 |
Regular elementary or secondary | 6-12 | 330 | 13.5 | Nonsectarian |
| Mse/mhc-collaborative School | 9.8 |
Special education | 1-12 | 46 | 6.6 | Nonsectarian |
| Vineyard Christian School | 11.4 |
Regular elementary or secondary | Pre-KG-12 | 119 | 7.9 | Other |
| Chop Point School | 13.0 |
Regular elementary or secondary | KG-12 | 82 | 5.5 | Christian (no specific denomination) |
| Spurwink School--auburn | 13.6 |
Special education | 4-12 | 39 | 7.8 | Nonsectarian |
| Royal Academy | 14.0 |
Alternative/other | 1-12 | 139 | 27.8 | Nonsectarian |
| Margaret Murphy Center | 16.4 |
Special education | 4-12 | 20 | 4.0 | Nonsectarian |
| The Renaissance School | 16.5 |
Special education | KG-9 | 28 | 5.6 | Nonsectarian |
| Morrison Developmental Center | 17.4 |
Special education | KG-12 | 6 | 1.2 | Nonsectarian |
| Wiscasset Christian Academy | 19.1 |
Regular elementary or secondary | KG-12 | 24 | 8.0 | Baptist |
| Sonlight Christian School | 20.5 |
Special education | 3-12 | 7 | 7.0 | Roman Catholic |
| Windham Christian Academy | 20.5 |
Regular elementary or secondary | Pre-KG-12 | 88 | 7.9 | Assembly of God |
| Waynflete School | 20.5 |
Regular elementary or secondary | Pre-KG-12 | 540 | 8.7 | Nonsectarian |
| Aucocisco School | 21.7 |
Special education | 3-12 | 33 | 1.9 | Nonsectarian |
| Greater Portland Christian School | 21.9 |
Regular elementary or secondary | KG-12 | 141 | 8.9 | Christian (no specific denomination) |
| Spurwink School--casco | 24.3 |
Special education | Pre-KG-12 | 190 | 4.0 | Nonsectarian |
