| New Braunfels Christian Academy | 0.0 |
Regular elementary or secondary | Pre-KG-12 | 452 | 11.9 | Christian (no specific denomination) |
| Calvary Baptist Academy | 6.4 |
Regular elementary or secondary | KG-10 | 31 | 9.4 | Baptist |
| First Baptist Academy Of Universal City | 13.7 |
Regular elementary or secondary | Pre-KG-12 | 350 | 11.7 | Baptist |
| Trinity Christian Academy | 14.8 |
Regular elementary or secondary | KG-12 | 240 | 10.7 | Christian (no specific denomination) |
| Bracken Christian School | 15.6 |
Regular elementary or secondary | Pre-KG-12 | 327 | 9.8 | Christian (no specific denomination) |
| Believers Academy | 15.7 |
Special program emphasis | KG-12 | 149 | 11.2 | Calvinist |
| San Marcos Adventist Junior Academy | 18.0 |
Regular elementary or secondary | Pre-KG-11 | 23 | 7.7 | Seventh-Day Adventist |
| Harvest Schools | 19.3 |
Special program emphasis | Pre-KG-12 | 191 | 9.8 | Christian (no specific denomination) |
| Christian Heritage Schools | 19.7 |
Regular elementary or secondary | KG-12 | 170 | 8.1 | Church of Christ |
| Hill Country Christian School Of San Marcos | 19.9 |
Regular elementary or secondary | KG-12 | 147 | 7.6 | Christian (no specific denomination) |
| Lifegate Christian School | 20.6 |
Regular elementary or secondary | KG-12 | 154 | 10.6 | Christian (no specific denomination) |
| Castle Hills First Baptist School | 24.3 |
Regular elementary or secondary | KG-12 | 294 | 8.7 | Baptist |
| River City Christian School | 24.4 |
Special education | 1-12 | 104 | 7.0 | Christian (no specific denomination) |
| The Circle School | 24.7 |
Alternative/other | Pre-KG-Pre-KG | 26 | 5.8 | Nonsectarian |
