| Decatur Heritage Christian Academy | 1.8 |
Regular elementary or secondary | Pre-KG-12 | 323 | 8.1 | Christian (no specific denomination) |
| Bethel Baptist School | 7.6 |
Regular elementary or secondary | Pre-KG-12 | 55 | 6.8 | Baptist |
| Faith Christian Academy | 9.1 |
Regular elementary or secondary | Pre-KG-10 | 55 | 4.1 | Baptist |
| Liberty Christian Academy | 12.6 |
Regular elementary or secondary | 3-12 | 15 | 5.8 | Pentecostal |
| Three Springs School Of Madison | 17.4 |
Alternative/other | 6-12 | 54 | 10.8 | Nonsectarian |
| Athens Bible School | 17.4 |
Regular elementary or secondary | KG-12 | 349 | 14.5 | Church of Christ |
| Three Springs Of Courtland | 19.6 |
Alternative/other | 6-12 | 40 | 8.0 | Nonsectarian |
| Madison Academy | 19.8 |
Regular elementary or secondary | Pre-KG-12 | 716 | 12.7 | Church of Christ |
| Vinemont Christian Academy | 20.4 |
Regular elementary or secondary | Pre-KG-12 | 40 | 20.0 | Christian (no specific denomination) |
| Oakwood Adventist Academy | 24.0 |
Regular elementary or secondary | KG-12 | 226 | 10.5 | Seventh-Day Adventist |
| Westminster Christian Academy | 24.3 |
Regular elementary or secondary | Pre-KG-12 | 642 | 12.9 | Presbyterian |
| Valley Fellowship Christian Academy | 24.8 |
Regular elementary or secondary | Pre-KG-12 | 172 | 13.3 | Other |
| Calvary Baptist Academy | 24.9 |
Regular elementary or secondary | KG-12 | 50 | 5.0 | Baptist |
| Janice Mitchell Isbell Academy | 24.9 |
Special education | Pre-KG-12 | 3 | 3.0 | Nonsectarian |
