| Frederick Christian Academy | 0.0 |
Regular elementary or secondary | Pre-KG-12 | 173 | 12.8 | Baptist |
| New Life Christian School | 1.5 |
Regular elementary or secondary | KG-12 | 210 | 10.6 | Other |
| The Jefferson School | 7.5 |
Special education | 6-12 | 91 | 5.1 | Nonsectarian |
| Grace Baptist Academy | 10.2 |
Regular elementary or secondary | KG-12 | 33 | 4.5 | Baptist |
| Boonsboro Christian Academy | 12.5 |
Regular elementary or secondary | KG-12 | 30 | 7.5 | Church of God |
| Laurel Hall School | 19.7 |
Special education | 2-12 | 85 | 5.9 | Mennonite |
| Mount Airy Christian Academy | 20.8 |
Regular elementary or secondary | KG-10 | 343 | 14.9 | Christian (no specific denomination) |
| Ebenezer Christian School | 20.8 |
Regular elementary or secondary | 1-12 | 38 | 6.3 | Church of God |
| Truth Christian Academy | 21.4 |
Regular elementary or secondary | KG-12 | 41 | 5.8 | Church of God |
| Hillside Mennonite School | 23.5 |
Regular elementary or secondary | 1-11 | 109 | 11.5 | Mennonite |
| Grace Academy | 23.6 |
Regular elementary or secondary | Pre-KG-12 | 337 | 12.5 | Christian (no specific denomination) |
| Huyetts Mennonite School | 24.0 |
Regular elementary or secondary | KG-11 | 61 | 9.5 | Mennonite |
| Heritage Academy Inc | 24.8 |
Regular elementary or secondary | Pre-KG-12 | 218 | 13.1 | Christian (no specific denomination) |
| Community School Of Maryland | 24.9 |
Special education | Ungraded-Ungraded | 29 | 5.8 | Nonsectarian |
| Covenant Life School | 25.0 |
Regular elementary or secondary | KG-12 | 250 | 13.1 | Christian (no specific denomination) |
