| Salem Sayers Baptist Academy | Adkins | PreK-8 | 49 | 9.6 | Baptist |
| Messiahs Kids Preschool | Boerne | PreK-Transitional K | 64 | 3.5 | Lutheran Church (Missouri Synod) |
| Converse Christian Sch and Early Learning Center | Converse | PreK-1 | 10 | 2.8 | Christian (nondenominational) |
| Childrens Lighthouse Helotes | Helotes | PreK-5 | 77 | 128.3 | Nonsectarian |
| Marvelously Made - the School for Young Children | Helotes | PreK-8 | 97 | 7.9 | Christian (nondenominational) |
| Acton Academy North San Antonio | San Antonio | 1-3 | 7 | 7 | Nonsectarian |
| Antonian College Preparatory High School | San Antonio | 9-12 | 717 | 11.5 | Roman Catholic |
| Blessed Sacrament Catholic School | San Antonio | PreK-8 | 149 | 7.8 | Roman Catholic |
| Buckner Fanning School at Mission Springs | San Antonio | PreK-5 | 96 | 5.4 | Christian (nondenominational) |
| Central Catholic High School -San Antonio | San Antonio | 9-12 | 504 | 15.2 | Roman Catholic |
| Coker Early Learning Center | San Antonio | PreK-Transitional K | 18 | 7.8 | Methodist |
| Colonial Hills United Methodist School | San Antonio | PreK-K | 8 | 8 | Methodist |
| Concordia Lutheran School | San Antonio | PreK-8 | 311 | 9.4 | Lutheran Church (Missouri Synod) |
| Cornerstone Christian Schools | San Antonio | PreK-12 | 2,098 | 14.4 | Christian (nondenominational) |
| Crossroads Christian Academy | San Antonio | PreK-6 | 33 | 5.5 | Christian (nondenominational) |
| Discovery School of San Antonio, Inc | San Antonio | PreK-1 | 29 | 3.2 | Nonsectarian |
| Fusion Academy | San Antonio | 6-12 | 32 | 4.6 | Nonsectarian |
| Gateway Christian School | San Antonio | PreK-12 | 68 | 8.5 | Christian (nondenominational) |
| Grace Christian School | San Antonio | PreK-12 | 94 | 10 | Christian (nondenominational) |
| Healy-Murphy Center | San Antonio | 9-12 | 144 | 9.6 | Nonsectarian |
| Holy Cross of San Antonio | San Antonio | 6-12 | 300 | 15.1 | Roman Catholic |
| Holy Name Catholic School | San Antonio | PreK-8 | 112 | 8.9 | Roman Catholic |
| Holy Spirit Catholic School | San Antonio | PreK-8 | 368 | 11.9 | Roman Catholic |
| Holy Spirit School | San Antonio | PreK-8 | 363 | 10.2 | Roman Catholic |
| Incarnate Word High School | San Antonio | 9-12 | 318 | 12.6 | Roman Catholic |
| International School of San Antonio | San Antonio | PreK-3 | 20 | 4.7 | Nonsectarian |
| Keystone School | San Antonio | PreK-12 | 419 | 8.2 | Nonsectarian |
| Kids R Kids No. 57 Liberty Field | San Antonio | PreK-K | 15 | 15 | Nonsectarian |
| Leon Valley Christian Academy | San Antonio | PreK-9 | 57 | 10.8 | Baptist |
| Lutheran High School of San Antonio | San Antonio | 9-12 | 137 | 9.4 | Lutheran Church (Missouri Synod) |
| Mac Arthur Park Lutheran School | San Antonio | PreK-K | 10 | 11.1 | Evangelical Lutheran Church in America |
| McCauley Christian Academy | San Antonio | PreK-12 | 87 | 6.2 | Baptist |
| Monte Vista Montessori School | San Antonio | PreK-8 | 33 | 6.6 | Nonsectarian |
| Montessori Children's House | San Antonio | PreK-Transitional K | 3 | 1.6 | Nonsectarian |
| Mount Sacred Heart School | San Antonio | PreK-8 | 132 | 11.7 | Roman Catholic |
| New Life Christian Academy Hybrid | San Antonio | PreK-12 | 44 | 6.3 | Christian (nondenominational) |
| Nobis Pacem | San Antonio | PreK-12 | 1,091 | 21 | Roman Catholic |
| Northwest Hills Christian School | San Antonio | PreK-8 | 144 | 9 | Baptist |
| One School Global | San Antonio | 3-12 | 26 | 6.5 | Brethren |
| Pinnacle Montessori Academy of Alamo Ranch | San Antonio | PreK-2 | 8 | 8 | Nonsectarian |
| Primrose School at Sonoma Ranch | San Antonio | PreK-K | 11 | 5.5 | Nonsectarian |
| Primrose School of Alamo Ranch | San Antonio | PreK-K | 11 | 11 | Nonsectarian |
| Providence Catholic School | San Antonio | 6-12 | 203 | 8.5 | Roman Catholic |
| River City Christian School | San Antonio | 1-12 | 40 | 5 | Christian (nondenominational) |
| Royal Point Academy | San Antonio | PreK-5 | 26 | 6.5 | Christian (nondenominational) |
| San Antonio Academy of Texas | San Antonio | PreK-8 | 295 | 8.2 | Nonsectarian |
| San Antonio Christian School | San Antonio | PreK-12 | 878 | 44.8 | Christian (nondenominational) |
| San Antonio Country Day Montessori School | San Antonio | PreK-7 | 64 | 8.4 | Nonsectarian |
| Scenic Hills Christian Academy | San Antonio | K-12 | 154 | 17.1 | Seventh-Day Adventist |
| Shepherd of the Hills Lutheran School | San Antonio | PreK-8 | 195 | 5.1 | Lutheran Church (Missouri Synod) |
| St. Andrews Church & School Inc | San Antonio | PreK-8 | 62 | 3.6 | Christian (nondenominational) |
| St. Anthony Catholic High School | San Antonio | 9-12 | 241 | 10.2 | Roman Catholic |
| St. Davids Episcopal School | San Antonio | PreK-K | 9 | 0.3 | Episcopal |
| St. George Episcopal School | San Antonio | PreK-8 | 507 | 11.5 | Episcopal |
| St. Gregory the Great Catholic School | San Antonio | PreK-8 | 136 | 10.5 | Roman Catholic |
| St. James the Apostle School | San Antonio | PreK-8 | 199 | 13.6 | Roman Catholic |
| St. John Berchmans School | San Antonio | PreK-8 | 87 | 4.7 | Roman Catholic |
| St. John Bosco School | San Antonio | PreK-8 | 170 | 14.9 | Roman Catholic |
| St. Luke Catholic School | San Antonio | PreK-8 | 413 | 13.2 | Roman Catholic |
| St. Lukes Episcopal School | San Antonio | PreK-8 | 204 | 7.5 | Episcopal |
| St. Mary's Hall | San Antonio | PreK-12 | 694 | 7.8 | Nonsectarian |
| St. Matthew Catholic School | San Antonio | PreK-8 | 550 | 13.8 | Roman Catholic |
| St. Paul Catholic School | San Antonio | PreK-8 | 109 | 10 | Roman Catholic |
| St. Pauls Episcopal Montessori School | San Antonio | PreK-6 | 42 | 12 | Episcopal |
| St. Pius X Catholic School | San Antonio | PreK-8 | 201 | 13.8 | Roman Catholic |
| Sunshine Cottage School for Deaf Children | San Antonio | PreK-4 | 109 | 4.4 | Nonsectarian |
| Tanya's Little Angels Christian Academy | San Antonio | PreK-12 | 11 | 1.8 | Baptist |
| The Acorn - A School for Young Children | San Antonio | PreK-K | 21 | 7 | Nonsectarian |
| The Christian School at Castle Hills | San Antonio | PreK-12 | 565 | 12.4 | Christian (nondenominational) |
| The Circle School | San Antonio | PreK-8 | 74 | 8.7 | Nonsectarian |
| The Lilypad Farm School | San Antonio | PreK-2 | 40 | 11.8 | Nonsectarian |
| The Montessori School of San Antonio | San Antonio | PreK-8 | 270 | 10.4 | Nonsectarian |
| The Starr Family Jewish Day School | San Antonio | K-9 | 58 | 6.2 | Jewish |
| The Winston School San Antonio | San Antonio | K-12 | 169 | 5.2 | Nonsectarian |
| Tmi Episcopal | San Antonio | 6-12 | 595 | 10 | Episcopal |
| Town East Christian School | San Antonio | PreK-12 | 92 | 7.1 | Baptist |
| United Kidz Academy San Antonio | San Antonio | PreK-K | 1 | 1 | Christian (nondenominational) |
| University Methodist Primary School | San Antonio | PreK-1 | 42 | 10.5 | Methodist |
| Victory Learning Center | San Antonio | 9-12 | 220 | 39.3 | Nonsectarian |
| Vineyard Christian School | San Antonio | PreK-8 | 182 | 12.7 | Christian (nondenominational) |
| Our Lady of Perpetual Help School | Selma | PreK-8 | 274 | 12.5 | Roman Catholic |
| River City Believers Academy | Selma | PreK-12 | 180 | 9.3 | Christian (nondenominational) |
| First Baptist Academy of Universal City | Universal City | PreK-12 | 328 | 9.3 | Baptist |