| Good Will Mennonite School | 7.4 |
Regular elementary or secondary | 1-9 | 30 | 8.3 | Mennonite |
| East Salem School | 10.7 |
Regular elementary or secondary | 1-9 | 26 | 26.0 | Amish |
| Red Rock School | 11.6 |
Regular elementary or secondary | 1-9 | 30 | 30.0 | Amish |
| Cocolamus Christian School | 12.7 |
Regular elementary or secondary | 1-9 | 38 | 9.5 | Mennonite |
| Juniata Mennonite School | 12.7 |
Regular elementary or secondary | KG-12 | 215 | 11.6 | Mennonite |
| Laurel Run School | 13.9 |
Regular elementary or secondary | 1-9 | 22 | 22.0 | Amish |
| Armstrong Valley Christian School | 14.4 |
Regular elementary or secondary | Ungraded-Ungraded | 22 | 7.3 | Baptist |
| Faith Tabernacle School | 17.2 |
Regular elementary or secondary | 1-12 | 152 | 10.4 | Christian (no specific denomination) |
| Chapman Parochial School | 18.2 |
Regular elementary or secondary | 1-9 | 55 | 27.5 | Mennonite |
| Berrysburg Christian Academy | 18.8 |
Regular elementary or secondary | KG-12 | 29 | 9.7 | Brethren |
| Harrisburg Christian School | 19.6 |
Regular elementary or secondary | KG-12 | 282 | 11.6 | Christian (no specific denomination) |
| Wordsworth Academy | 19.7 |
Special education | 2-12 | 47 | 7.8 | Nonsectarian |
| Meadow View School | 20.1 |
Regular elementary or secondary | 1-9 | 25 | 25.0 | Mennonite |
| Harrisburg Academy | 20.1 |
Regular elementary or secondary | Pre-KG-12 | 403 | 9.8 | Nonsectarian |
| Emmanuel Baptist Christian Academy | 20.3 |
Regular elementary or secondary | KG-12 | 127 | 7.9 | Baptist |
| Leaning Oak School | 20.5 |
Regular elementary or secondary | 1-9 | 55 | 27.5 | Mennonite |
| Bible Baptist School | 20.8 |
Regular elementary or secondary | Pre-KG-12 | 441 | 13.0 | Baptist |
| Hillside Amish School | 21.2 |
Regular elementary or secondary | 1-9 | 19 | 19.0 | Amish |
| Emmanuel Wesleyan Academy | 21.4 |
Regular elementary or secondary | 1-11 | 29 | 9.7 | Methodist |
| Yellow Breeches Education Center | 21.9 |
Special education | 6-12 | 88 | 6.3 | Nonsectarian |
| Bethel Christian Academy | 22.5 |
Regular elementary or secondary | KG-12 | 135 | 7.9 | Christian (no specific denomination) |
| Covenant Christian Academy | 23.0 |
Regular elementary or secondary | KG-12 | 198 | 11.1 | Christian (no specific denomination) |
