| Crossroad School | 3.5 |
Alternative/other | 1-12 | 63 | 10.5 | Church of Christ |
| Keystone Schools | 4.0 |
Regular elementary or secondary | KG-12 | 161 | 6.2 | Christian (no specific denomination) |
| Cornerstone College Prep School | 4.2 |
Regular elementary or secondary | KG-12 | 25 | 6.1 | Christian (no specific denomination) |
| Canterbury School | 4.7 |
Regular elementary or secondary | Pre-KG-12 | 764 | 8.9 | Other |
| Cornerstone Christian Coll Prep Day Sch Int | 5.4 |
Special program emphasis | KG-12 | 26 | 6.3 | Christian (no specific denomination) |
| St Charles Borromeo School | 5.5 |
Regular elementary or secondary | KG-9 | 823 | 23.6 | Roman Catholic |
| Blackhawk Christian School | 6.1 |
Regular elementary or secondary | Pre-KG-12 | 646 | 38.5 | Christian (no specific denomination) |
| Hope Montessori School | 8.2 |
Montessori | Pre-KG-10 | 14 | 4.7 | Nonsectarian |
| Cuba Mennonite School | 13.9 |
Regular elementary or secondary | 1-11 | 24 | 7.3 | Mennonite |
| Gateway Woods School | 14.1 |
Alternative/other | 6-11 | 18 | 4.5 | Other |
| Fellowship Haven Bible School | 14.2 |
Regular elementary or secondary | 1-12 | 28 | 10.0 | Mennonite |
| Heritage Mission | 14.2 |
Regular elementary or secondary | 1-9 | 10 | 2.5 | Baptist |
| Harlan Christian School | 14.9 |
Regular elementary or secondary | Pre-KG-11 | 78 | 9.1 | Church of Christ |
| Lakewood Park Christian School | 20.3 |
Regular elementary or secondary | Pre-KG-12 | 577 | 16.5 | Christian (no specific denomination) |
| Kingdom Academy Of Bluffton Inc | 20.7 |
Regular elementary or secondary | KG-12 | 70 | 9.6 | Other |
| Oak Farm School | 22.7 |
Montessori | Ungraded-Ungraded | 162 | 17.4 | Nonsectarian |
| Cornerstone Christian School | 23.9 |
Regular elementary or secondary | KG-12 | 87 | 15.0 | Christian (no specific denomination) |
| Covenant Christian School | 24.3 |
Regular elementary or secondary | Pre-KG-12 | 49 | 5.7 | Christian (no specific denomination) |
