| Parkway Christian School | 4.3 |
Regular elementary or secondary | 9-12 | 47 | 9.4 | Nonsectarian |
| Pcal Christian School | 8.9 |
Special program emphasis | 7-12 | 38 | 12.7 | Baptist |
| Houston Learning Academy - North Campus | 9.8 |
Regular elementary or secondary | 9-12 | 27 | 9.0 | Nonsectarian |
| Concordia Lutheran High School | 11.2 |
Regular elementary or secondary | 9-12 | 397 | 13.9 | Lutheran Church - Missouri Synod |
| Houston Learning Academy | 14.5 |
Regular elementary or secondary | 10-12 | 20 | 6.7 | Nonsectarian |
| St Pius X High School | 16.4 |
Regular elementary or secondary | 9-12 | 707 | 12.4 | Roman Catholic |
| Lutheran High North | 18.2 |
Regular elementary or secondary | 9-12 | 288 | 15.9 | Lutheran Church - Missouri Synod |
| Houston Christian High School | 20.1 |
Regular elementary or secondary | 9-12 | 453 | 9.5 | Christian (no specific denomination) |
| School Of The Good Shepherd | 20.8 |
Regular elementary or secondary | 9-12 | 64 | 21.3 | Christian (no specific denomination) |
| St Thomas High School | 22.0 |
Regular elementary or secondary | 9-12 | 679 | 14.4 | Roman Catholic |
| Incarnate Word Academy | 22.7 |
Regular elementary or secondary | 9-12 | 249 | 11.9 | Roman Catholic |
| Memorial Private High School | 23.7 |
Alternative/other | 9-12 | 24 | 4.8 | Nonsectarian |
| American Academy | 24.4 |
Regular elementary or secondary | 9-12 | 8 | 8.0 | Nonsectarian |
| The Tenney School | 24.4 |
Alternative/other | 7-12 | 55 | 3.8 | Nonsectarian |
| Oak Brook Baptist | 24.6 |
Regular elementary or secondary | 9-12 | 47 | 23.5 | Baptist |
