| Buckner Fanning Christian School | 5.7 |
Regular elementary or secondary | KG-8 | 189 | 7.9 | Other |
| Rolling Hills Academy | 8.1 |
Regular elementary or secondary | Pre-KG-8 | 186 | 11.4 | Roman Catholic |
| San Antonio Christian Elementary School | 8.5 |
Regular elementary or secondary | Pre-KG-5 | 440 | 15.2 | Christian (no specific denomination) |
| San Antonio Christian Middle School | 8.5 |
Regular elementary or secondary | 6-8 | 266 | 12.4 | Christian (no specific denomination) |
| Mt Sacred Heart School | 9.2 |
Regular elementary or secondary | Pre-KG-8 | 350 | 10.4 | Roman Catholic |
| St Thomas Episcopal School | 9.3 |
Regular elementary or secondary | Pre-KG-5 | 135 | 9.8 | Episcopal |
| Concordia Lutheran Church-school | 10.2 |
Regular elementary or secondary | Pre-KG-8 | 408 | 16.1 | Lutheran Church - Missouri Synod |
| Judson Montessori School | 10.8 |
Montessori | Pre-KG-8 | 201 | 14.4 | Nonsectarian |
| The San Antonio Country Day School | 11.7 |
Montessori | Pre-KG-5 | 64 | 4.4 | Nonsectarian |
| Child Montessori | 13.1 |
Montessori | Pre-KG-3 | 22 | 5.5 | Nonsectarian |
| Our Lady Of Perpetual Help School | 14.0 |
Regular elementary or secondary | Pre-KG-8 | 444 | 14.9 | Roman Catholic |
| Eleanor Kolitz Academy | 14.1 |
Regular elementary or secondary | KG-8 | 124 | 8.9 | Jewish |
| Shepherd King Christian School | 14.9 |
Early childhood program/child care center | Pre-KG-KG | 3 | 3.0 | Other Lutheran |
| Mac Arthur Park Lutheran School | 15.1 |
Early childhood program/child care center | Pre-KG-KG | 9 | 5.6 | Evangelical Lutheran Church in America |
| Our Savior Lutheran School | 15.2 |
Regular elementary or secondary | KG-8 | 34 | 16.2 | Wisconsin Evangelical Lutheran Synod |
| St George Episcopal School | 15.3 |
Regular elementary or secondary | Pre-KG-8 | 438 | 10.3 | Episcopal |
| St Matthew Catholic School | 15.4 |
Regular elementary or secondary | Pre-KG-8 | 687 | 18.4 | Roman Catholic |
| Colonial Hills United Methodist School | 15.8 |
Early childhood program/child care center | Pre-KG-KG | 57 | 16.3 | Methodist |
| Primrose School At Sonoma Ranch | 16.2 |
Early childhood program/child care center | Pre-KG-KG | 7 | 3.5 | Nonsectarian |
| Dreamland Christian Academy | 16.3 |
Early childhood program/child care center | KG-KG | 1 | 1.0 | Christian (no specific denomination) |
| St Pius X Catholic School | 16.4 |
Regular elementary or secondary | Pre-KG-8 | 267 | 11.1 | Roman Catholic |
| University Baptist Wee School | 16.5 |
Early childhood program/child care center | Pre-KG-KG | 3 | 1.0 | Baptist |
| Suburban School | 16.7 |
Early childhood program/child care center | Pre-KG-KG | 14 | 14.0 | Nonsectarian |
| Blessed Sacrament Catholic School | 16.8 |
Regular elementary or secondary | KG-8 | 267 | 11.7 | Roman Catholic |
| St Andrews Umc Weekday School | 16.9 |
Regular elementary or secondary | Pre-KG-2 | 15 | 5.0 | Methodist |
| Eisenhauer Rd Baptist School | 17.2 |
Regular elementary or secondary | Pre-KG-5 | 31 | 5.2 | Baptist |
| Pilgrim Congregational School | 17.3 |
Early childhood program/child care center | Pre-KG-Trans. KG | 10 | 10.0 | Christian (no specific denomination) |
| Hill Country Montessori School | 17.4 |
Montessori | Pre-KG-4 | 49 | 7.5 | Nonsectarian |
| St Thomas More Catholic School | 17.5 |
Regular elementary or secondary | Pre-KG-8 | 199 | 15.3 | Roman Catholic |
| St Monica Catholic School | 17.8 |
Regular elementary or secondary | 1-8 | 341 | 19.6 | Roman Catholic |
| St Gregory The Great School | 17.9 |
Regular elementary or secondary | Pre-KG-8 | 546 | 17.1 | Roman Catholic |
| St Luke's Episcopal School | 18.0 |
Regular elementary or secondary | Pre-KG-8 | 306 | 9.2 | Episcopal |
| St Davids Episcopal School | 18.1 |
Early childhood program/child care center | Pre-KG-KG | 6 | 5.5 | Episcopal |
| St Peter Prince Of Apostles | 18.6 |
Regular elementary or secondary | KG-8 | 328 | 8.6 | Roman Catholic |
| St John The Evangelist School | 18.7 |
Regular elementary or secondary | Pre-KG-8 | 116 | 10.6 | Roman Catholic |
| St Mary Magdalen School | 18.9 |
Regular elementary or secondary | Pre-KG-8 | 153 | 11.2 | Roman Catholic |
| Shepherd Of The Hills Lutheran School | 18.9 |
Regular elementary or secondary | Pre-KG-8 | 374 | 18.4 | Lutheran Church - Missouri Synod |
| Trinity United Methodist School | 19.0 |
Regular elementary or secondary | Pre-KG-5 | 65 | 3.9 | Methodist |
| St Luke Catholic School | 19.3 |
Regular elementary or secondary | KG-8 | 535 | 17.8 | Roman Catholic |
| Sunshine Cottage School For Deaf Children | 19.4 |
Special education | Pre-KG-5 | 75 | 7.2 | Nonsectarian |
| I'cento Inc | 19.4 |
Regular elementary or secondary | Pre-KG-3 | 31 | 6.5 | Nonsectarian |
| Sts Peter And Paul Catholic School | 19.7 |
Regular elementary or secondary | Pre-KG-8 | 202 | 11.9 | Roman Catholic |
| Al-madinah Academy | 19.7 |
Early childhood program/child care center | Pre-KG-KG | 3 | 1.0 | Nonsectarian |
| St Paul Catholic School | 19.8 |
Regular elementary or secondary | KG-8 | 355 | 14.0 | Roman Catholic |
| St Anthony Catholic School | 20.1 |
Regular elementary or secondary | Pre-KG-8 | 372 | 15.9 | Roman Catholic |
| San Antonio Academy Of Texas | 20.4 |
Regular elementary or secondary | Pre-KG-8 | 313 | 9.1 | Christian (no specific denomination) |
| Northwest Hills Christian School | 20.8 |
Regular elementary or secondary | Pre-KG-8 | 269 | 25.6 | Baptist |
| Little Flower Catholic School | 21.0 |
Regular elementary or secondary | Pre-KG-8 | 232 | 21.3 | Roman Catholic |
| St John's Lutheran Day School | 21.8 |
Early childhood program/child care center | Pre-KG-KG | 15 | 15.0 | Evangelical Lutheran Church in America |
| Antioch Christian Academy | 21.9 |
Regular elementary or secondary | Pre-KG-6 | 90 | 16.1 | Christian (no specific denomination) |
| Village Parkway Christian School | 22.4 |
Regular elementary or secondary | Pre-KG-6 | 71 | 10.4 | Baptist |
| St John Bosco Elem School | 22.7 |
Regular elementary or secondary | Pre-KG-8 | 351 | 13.7 | Roman Catholic |
| St Benedict School | 23.0 |
Regular elementary or secondary | Pre-KG-8 | 65 | 5.2 | Roman Catholic |
| St Cecilia School | 23.8 |
Regular elementary or secondary | Pre-KG-8 | 173 | 15.3 | Roman Catholic |
| St John Berchmans School | 24.6 |
Regular elementary or secondary | KG-8 | 322 | 15.8 | Roman Catholic |
| St Margaret Mary Parish School | 24.9 |
Regular elementary or secondary | Pre-KG-8 | 138 | 12.6 | Roman Catholic |
| St James The Apostle School | 24.9 |
Regular elementary or secondary | Pre-KG-8 | 229 | 12.1 | Roman Catholic |
