| Southbridge Christian Academy | 0.0 |
Regular elementary or secondary | KG-12 | 24 | 8.0 | Pentecostal |
| Oak Hill Christian School | 9.0 |
Regular elementary or secondary | Pre-KG-9 | 30 | 5.9 | Christian (no specific denomination) |
| Archway Inc | 13.0 |
Special education | 5-12 | 13 | 4.5 | Nonsectarian |
| Valley View School | 14.0 |
Alternative/other | Ungraded-Ungraded | 56 | 4.7 | Nonsectarian |
| Kathleen Burns Preparatory School | 14.7 |
Special education | 5-12 | 36 | 5.1 | Nonsectarian |
| G Stanley Hall School | 14.9 |
Special education | 3-12 | 43 | 6.1 | Nonsectarian |
| Yeshiva Achei Tmimim Academy | 15.4 |
Regular elementary or secondary | Pre-KG-12 | 86 | 4.2 | Jewish |
| Worcester Academy | 15.5 |
Regular elementary or secondary | 6-12 | 631 | 8.9 | Nonsectarian |
| Mercy Centre | 17.2 |
Special education | Ungraded-Ungraded | 24 | 6.0 | Roman Catholic |
| Bancroft School | 17.6 |
Regular elementary or secondary | KG-12 | 562 | 7.7 | Nonsectarian |
| Whitinsville Christian School | 17.8 |
Regular elementary or secondary | Pre-KG-12 | 551 | 13.1 | Calvinist |
| Faith Baptist Christian Academy | 17.8 |
Regular elementary or secondary | Pre-KG-12 | 45 | 7.5 | Baptist |
| Touchstone Community School | 19.4 |
Alternative/other | Ungraded-Ungraded | 129 | 10.4 | Nonsectarian |
| Devereux School | 20.3 |
Special education | 1-12 | 114 | 6.7 | Nonsectarian |
| Wilbraham & Manson Academy | 22.2 |
Regular elementary or secondary | 6-12 | 357 | 7.1 | Nonsectarian |
| Stetson School | 22.8 |
Special education | 4-12 | 111 | 6.9 | Nonsectarian |
| Baptist Village Christian Academy | 24.3 |
Regular elementary or secondary | Pre-KG-12 | 63 | 8.3 | Baptist |
