| Adventist Christian Academy | 1.9 |
Regular elementary or secondary | Pre-KG-11 | 104 | 9.0 | Seventh-Day Adventist |
| Resurrection Christian School | 2.3 |
Regular elementary or secondary | Pre-KG-12 | 66 | 9.6 | Christian (no specific denomination) |
| Providence Day School | 2.7 |
Regular elementary or secondary | KG-12 | 1512 | 11.6 | Nonsectarian |
| Anami Montessori School | 3.2 |
Montessori | Ungraded-Ungraded | 73 | 12.6 | Nonsectarian |
| Student First Academy | 3.5 |
Regular elementary or secondary | KG-12 | 20 | 1.8 | Nonsectarian |
| Student First Academy | 3.5 |
Regular elementary or secondary | 1-12 | 28 | 3.1 | Nonsectarian |
| Evelyn Mack Academy | 3.6 |
Regular elementary or secondary | KG-12 | 31 | 3.6 | Nonsectarian |
| Charlotte Christian School | 4.0 |
Regular elementary or secondary | Pre-KG-12 | 1035 | 8.4 | Christian (no specific denomination) |
| Garr Christian Academy | 4.3 |
Regular elementary or secondary | KG-9 | 140 | 4.7 | Christian (no specific denomination) |
| Charlotte Islamic Academy | 5.0 |
Regular elementary or secondary | KG-12 | 153 | 7.7 | Islamic |
| The Fletcher School | 5.2 |
Special education | KG-12 | 247 | 4.0 | Nonsectarian |
| New Life Christian Academy School Of The Arts | 5.2 |
Special program emphasis | Pre-KG-9 | 91 | 6.3 | Christian (no specific denomination) |
| Bible Baptist Christian School | 5.4 |
Regular elementary or secondary | Pre-KG-12 | 140 | 10.3 | Baptist |
| The Keys Of Carolina | 5.5 |
Alternative/other | 5-12 | 54 | 18.0 | Nonsectarian |
| Hickory Grove Baptist Christian School | 6.0 |
Regular elementary or secondary | KG-12 | 1061 | 16.1 | Baptist |
| Rod Of God Christian Academy | 6.1 |
Regular elementary or secondary | KG-12 | 9 | 3.8 | Other |
| Manus Academy | 6.4 |
Special education | 5-12 | 80 | 5.0 | Nonsectarian |
| Victory Christian Center School | 6.4 |
Regular elementary or secondary | Pre-KG-12 | 418 | 13.3 | Christian (no specific denomination) |
| Paw Creek Christian Academy | 6.8 |
Regular elementary or secondary | Pre-KG-12 | 44 | 6.3 | Christian (no specific denomination) |
| Plaza Road Academy | 6.9 |
Regular elementary or secondary | 5-12 | 15 | 4.5 | Baptist |
| United Faith Christian Academy | 6.9 |
Regular elementary or secondary | KG-12 | 292 | 12.1 | Assembly of God |
| Covenant Day School | 7.2 |
Regular elementary or secondary | KG-12 | 842 | 13.3 | Presbyterian |
| Northside Christian Academy | 7.2 |
Regular elementary or secondary | Pre-KG-12 | 667 | 13.2 | Baptist |
| Charlotte Latin School | 7.6 |
Regular elementary or secondary | KG-12 | 1353 | 8.5 | Nonsectarian |
| Derita Christian Academy | 7.9 |
Regular elementary or secondary | Pre-KG-12 | 42 | 7.5 | Church of God |
| Brisbane Academy Preparatory School | 8.1 |
Special program emphasis | Pre-KG-12 | 35 | 4.2 | Nonsectarian |
| South Charlotte Baptist Academy | 8.3 |
Regular elementary or secondary | Pre-KG-10 | 27 | 3.4 | Baptist |
| Walnut Grove Christian School | 10.0 |
Regular elementary or secondary | KG-12 | 74 | 6.7 | Christian (no specific denomination) |
| Omni Montessori School | 10.1 |
Montessori | Ungraded-Ungraded | 173 | 19.2 | Nonsectarian |
| Countryside Montessori School | 10.2 |
Montessori | Pre-KG-9 | 296 | 7.0 | Nonsectarian |
| Liberty Baptist Academy | 10.4 |
Regular elementary or secondary | KG-12 | 37 | 7.4 | Baptist |
| Lake Park Christian Academy | 12.5 |
Regular elementary or secondary | KG-12 | 63 | 4.1 | Christian (no specific denomination) |
| Gaston Christian School | 13.3 |
Regular elementary or secondary | Pre-KG-12 | 787 | 9.8 | Christian (no specific denomination) |
| Arborbrook Christian Academy | 13.3 |
Regular elementary or secondary | KG-9 | 102 | 8.5 | Christian (no specific denomination) |
| Metrolina Christian Academy | 15.6 |
Regular elementary or secondary | Pre-KG-12 | 770 | 14.4 | Baptist |
| Cramerton Christian Academy | 15.6 |
Regular elementary or secondary | Pre-KG-12 | 359 | 16.6 | Baptist |
| Gaston Christian School | 16.3 |
Regular elementary or secondary | Pre-KG-12 | 790 | 9.2 | Baptist |
| Cannon School | 17.5 |
Regular elementary or secondary | Pre-KG-12 | 881 | 8.8 | Nonsectarian |
| First Assembly Christian School | 17.8 |
Regular elementary or secondary | Pre-KG-12 | 118 | 9.8 | Christian (no specific denomination) |
| Shining Light Baptist Academy | 18.1 |
Regular elementary or secondary | Pre-KG-12 | 76 | 10.3 | Baptist |
| Southlake Christian Academy | 18.2 |
Regular elementary or secondary | Pre-KG-12 | 843 | 13.6 | Presbyterian |
| Gaston Day School Inc | 18.2 |
Regular elementary or secondary | Pre-KG-12 | 446 | 11.7 | Nonsectarian |
| Phoenix Montessori Academy | 18.5 |
Montessori | Ungraded-Ungraded | 107 | 12.9 | Nonsectarian |
| Faith Christian Academy | 19.1 |
Regular elementary or secondary | 4-12 | 20 | 10.5 | Christian (no specific denomination) |
| Stanley Christian Academy | 19.6 |
Regular elementary or secondary | Pre-KG-12 | 26 | 5.2 | Assembly of God |
| Covenant Classical School | 20.3 |
Special program emphasis | Pre-KG-12 | 223 | 10.2 | Other |
| Next Generation Educ Behavior Center | 20.9 |
Alternative/other | Ungraded-Ungraded | 10 | 2.2 | Nonsectarian |
| Assembly Of Faith Christian School | 21.1 |
Regular elementary or secondary | 1-9 | 9 | 4.7 | Christian (no specific denomination) |
| Positive Impact Of Union County | 21.3 |
Alternative/other | Ungraded-Ungraded | 7 | 7.0 | Nonsectarian |
| Victory Christian Academy | 21.4 |
Regular elementary or secondary | Pre-KG-12 | 91 | 10.8 | Church of God |
| Davidson Day School | 22.2 |
Regular elementary or secondary | Pre-KG-11 | 246 | 5.8 | Nonsectarian |
| Tabernacle Christian School | 22.6 |
Regular elementary or secondary | Pre-KG-12 | 139 | 8.9 | Baptist |
| Harvest Christian Academy | 24.1 |
Regular elementary or secondary | 6-12 | 8 | 3.2 | Christian (no specific denomination) |
| Tabernacle Christian Academy | 24.2 |
Regular elementary or secondary | KG-12 | 162 | 10.6 | Baptist |
| Faith Christian Academy | 24.6 |
Regular elementary or secondary | Pre-KG-12 | 40 | 8.3 | Baptist |
