| Emmanuel Wesleyan Academy | 2.7 |
Regular elementary or secondary | 1-11 | 29 | 9.7 | Methodist |
| Armstrong Valley Christian School | 8.4 |
Regular elementary or secondary | Ungraded-Ungraded | 22 | 7.3 | Baptist |
| Chapman Parochial School | 8.9 |
Regular elementary or secondary | 1-9 | 55 | 27.5 | Mennonite |
| Meadow View School | 10.0 |
Regular elementary or secondary | 1-9 | 25 | 25.0 | Mennonite |
| Gospel Christian Academy | 15.3 |
Regular elementary or secondary | KG-11 | 23 | 5.0 | Baptist |
| Our Lady Lourdes Regional High School | 16.8 |
Regular elementary or secondary | KG-12 | 407 | 8.8 | Roman Catholic |
| Harrisburg Christian School | 17.4 |
Regular elementary or secondary | KG-12 | 282 | 11.6 | Christian (no specific denomination) |
| Hegins Valley Mennonite School | 17.5 |
Regular elementary or secondary | 1-10 | 51 | 10.2 | Mennonite |
| Leaning Oak School | 17.9 |
Regular elementary or secondary | 1-9 | 55 | 27.5 | Mennonite |
| Meadowview Christian Academy | 18.5 |
Regular elementary or secondary | Pre-KG-10 | 37 | 4.9 | Christian (no specific denomination) |
| Greater Perry Community Christian Academy | 18.8 |
Regular elementary or secondary | KG-10 | 23 | 5.6 | Christian (no specific denomination) |
| Good Will Mennonite School | 19.2 |
Regular elementary or secondary | 1-9 | 30 | 8.3 | Mennonite |
| Northwestern Academy | 19.5 |
Alternative/other | 5-12 | 268 | 11.7 | Nonsectarian |
| Northumberland Christian School | 20.0 |
Regular elementary or secondary | Pre-KG-12 | 209 | 13.9 | Baptist |
| Blue Mt Christian School | 20.2 |
Regular elementary or secondary | Pre-KG-12 | 63 | 8.6 | Christian (no specific denomination) |
| Sunbury Christian Academy | 21.4 |
Regular elementary or secondary | Pre-KG-12 | 134 | 8.4 | Christian (no specific denomination) |
| Covenant Christian Academy | 21.5 |
Regular elementary or secondary | KG-12 | 198 | 11.1 | Christian (no specific denomination) |
| Cedar Run Mennonite School | 22.5 |
Regular elementary or secondary | 1-10 | 30 | 7.5 | Mennonite |
| Penn View Christian Academy | 22.6 |
Regular elementary or secondary | Pre-KG-12 | 142 | 10.1 | Other |
| Wordsworth Academy | 23.0 |
Special education | 2-12 | 47 | 7.8 | Nonsectarian |
| Shady Grove Christian School | 23.0 |
Regular elementary or secondary | KG-11 | 73 | 9.4 | Mennonite |
| Hillside Amish School | 23.6 |
Regular elementary or secondary | 1-9 | 19 | 19.0 | Amish |
| Milton Hershey School | 24.7 |
Regular elementary or secondary | Pre-KG-12 | 1695 | 8.8 | Nonsectarian |
| East Salem School | 24.9 |
Regular elementary or secondary | 1-9 | 26 | 26.0 | Amish |
| New Covenant Christian School | 24.9 |
Regular elementary or secondary | Pre-KG-12 | 132 | 8.5 | Brethren |
