| Premier High School-San Antonio Windcrest | 9-12 | 78 | 26 | San Antonio | under 1 | (210) 524-8103 |
| Texasworks - San Antonio Windcrest | 10-12 | new in 2025-26 | | San Antonio | under 1 | (210) 524-8103 |
| IDEA Walzem Academy | K-5 | 611 | 20.8 | San Antonio | 1 | (210) 239-4600 |
| IDEA Walzem College Preparatory | 6-12 | 724 | 16.8 | San Antonio | 1 | (210) 239-4600 |
| SST Alamo | PK-6 | 848 | 17 | San Antonio | 2 | (210) 590-1115 |
| Harmony School of Innovation - San Antonio | PK-10 | 367 | 14.3 | San Antonio | 2 | (210) 265-1575 |
| Basis San Antonio - Northeast Campus | 3-8 | 128 | 10.3 | San Antonio | 2 | (210) 289-2088 |
| Basis San Antonio Pri - Northeast Campus | K-2 | 253 | 12.4 | San Antonio | 2 | (210) 742-6310 |
| SST Sa College Prep H S | 6-12 | 615 | 15.9 | San Antonio | 2 | (210) 549-4161 |
| Ruth Jones Mcclendon Middle | 9-12 | 72 | 24.3 | San Antonio | 3 | (210) 568-8800 |
| George Gervin Academy | PK-12 | 793 | 22.5 | San Antonio | 3 | (210) 568-8800 |
| IDEA Judson Academy | K-5 | 701 | 21.9 | San Antonio | 3 | (210) 529-3600 |
| IDEA Judson College Preparatory | 6-12 | 747 | 16.6 | San Antonio | 3 | (210) 529-3600 |
| Northeast Campus | 6-12 | 73 | 7.7 | San Antonio | 4 | (210) 829-8017 |
| Northeast El Campus | PK-5 | 68 | 12.9 | San Antonio | 4 | (210) 829-8017 |
| New H S 3 | 9 | new in 2025-26 | | San Antonio | 5 | (210) 519-3900 |
| New H S 4 | 9 | new in 2025-26 | | San Antonio | 5 | (210) 519-3900 |
| IDEA Converse Academy | K-5 | 743 | 23.8 | Converse | 5 | (210) 529-3800 |
| IDEA Converse College Preparatory | 6-11 | 462 | 15.5 | Converse | 5 | (956) 377-8000 |
| Great Hearts Live Oak | K-12 | 1,153 | 22 | Live Oak | 5 | (210) 888-9474 |
| Boysville | 6-12 | 10 | 5 | Converse | 6 | (210) 834-4127 |
| Great Hearts Northern Oaks | K-12 | 1,430 | 19.2 | San Antonio | 6 | (210) 888-9483 |
| Foundation School of Autism - San Antonio | PK-1 | 38 | 6.3 | San Antonio | 7 | (210) 402-0253 |
| Basis San Antonio- Pri North Central Campus | K-5 | 780 | 15.6 | San Antonio | 7 | (210) 775-4125 |
| Southwest Preparatory Southeast Campus | PK-12 | 172 | 10.7 | San Antonio | 7 | (210) 333-1403 |
| Essence Preparatory Charter School | PK-8 | 365 | 17.4 | San Antonio | 7 | (210) 997-5636 |
| Celebrate Dyslexia School | K-4 | 61 | 12.2 | San Antonio | 7 | (210) 942-8668 |
| Laurel Ridge | 6-12 | 39 | 8.8 | San Antonio | 7 | (210) 834-4127 |
| IDEA Najim Academy | K-5 | 540 | 22.1 | San Antonio | 7 | (210) 413-5274 |
| IDEA Najim College Preparatory | 6-12 | 474 | 14.5 | San Antonio | 7 | (210) 239-4900 |
| Young Men's Leadership Academy | 6-12 | 242 | 12.4 | San Antonio | 7 | (210) 354-9652 |
| Great Hearts Monte Vista North | 6-12 | 476 | 14.3 | San Antonio | 8 | (210) 888-9485 |
| Somerset Academy Lone Star | PK-5 | 98 | 14.6 | San Antonio | 8 | (210) 998-4452 |
| Rise Inspire Academy | 9-12 | 24 | 12.2 | San Antonio | 8 | (210) 638-5150 |
| IDEA Eastside Academy | K-5 | 392 | 23.2 | San Antonio | 8 | (210) 239-4800 |
| IDEA Eastside College Preparatory | 6-12 | 469 | 13.3 | San Antonio | 8 | (210) 239-4800 |
| St Philip's Early College H S | 9-12 | 305 | 19.1 | San Antonio | 8 | (210) 486-2406 |
| Mark Twain Dual Language Academy | PK-8 | 694 | 15.1 | San Antonio | 8 | (210) 738-9745 |
| Travis Early College H S | 9-12 | 408 | 19.4 | San Antonio | 8 | (210) 738-9830 |
| Great Hearts Monte Vista | K-5 | 468 | 21.3 | San Antonio | 8 | (210) 888-9485 |
| SST Sonterra | PK-6 | new in 2025-26 | | San Antonio | 8 | (210) 957-1955 |
| Agnes Cotton Academy | 3-8 | 455 | 13.5 | San Antonio | 8 | (210) 738-9780 |
| IDEA Carver Academy | K-5 | 468 | 21.1 | San Antonio | 8 | (210) 223-8885 |
| IDEA Carver College Preparatory | 6-12 | 661 | 17.9 | San Antonio | 8 | (210) 223-8885 |
| Founders Classical Academy of Schertz | K-12 | 774 | 15.4 | Schertz | 9 | (972) 316-3663 |
| Driscoll Madison Square Child Development Ctr | PK-K | 55 | | San Antonio | 9 | (361) 933-2064 |
| Democracy Prep at Stewart Academy | PK-8 | 645 | 15 | San Antonio | 9 | (210) 438-6875 |
| Edgar Allan Poe STEM Dual Language Middle | 6-8 | 439 | 14.7 | San Antonio | 9 | (210) 228-1235 |
| Advanced Learning Academy | PK-12 | 1,087 | 15.7 | San Antonio | 9 | (210) 738-9763 |
| Cast Tech H S | 9-12 | 451 | 14.9 | San Antonio | 9 | (210) 554-2700 |
| Fox Technical H S | 9-12 | 499 | 14.8 | San Antonio | 9 | (210) 738-9730 |
| Stepping Stones Academy | 2-11 | 9 | | San Antonio | 9 | (830) 331-4094 |
| Positive Solutions Charter | 9-12 | 93 | 15.2 | San Antonio | 9 | (210) 299-1025 |
| Triumph Public High Schools-San Antonio | 9-12 | 62 | 12.5 | San Antonio | 9 | (210) 761-1901 |
| Somerset Academy Collegiate | PK-12 | 1,080 | 19.6 | San Antonio | 9 | (210) 850-3002 |
| Eleanor Kolitz Hebrew Language Academy | K-8 | 486 | 14.5 | San Antonio | 9 | (210) 890-7267 |
| Legacy Traditional School - Cibolo | PK-8 | 917 | 19.9 | Cibolo | 9 | (210) 431-9881 |
| Woodlawn Academy | PK-8 | 595 | 14.2 | San Antonio | 10 | (210) 438-6560 |
| Bonham Academy | PK-8 | 713 | 14.2 | San Antonio | 10 | (210) 228-3300 |
| KIPP Somos Collegiate | 6-12 | 573 | 13.4 | San Antonio | 10 | (210) 544-2791 |
| KIPP Somos Pri | PK-4 | 241 | 13.7 | San Antonio | 10 | (210) 888-6513 |
| Compass Rose Dream | PK-8 | 326 | 36.1 | San Antonio | 10 | (210) 540-9265 |
| Compass Rose Impact | 9-12 | 103 | 20.6 | San Antonio | 10 | (210) 274-6115 |
| Compass Rose Opportunity | K-12 | 95 | 13.8 | San Antonio | 10 | (210) 900-3863 |
| Young Women's Leadership Academy Pri | PK-5 | 580 | 16.3 | San Antonio | 10 | (210) 554-2710 |
| Young Women's Leadership Academy | 6-12 | 534 | 15.3 | San Antonio | 10 | (210) 438-6525 |
| Jubilee San Antonio | PK-12 | 1,011 | 15.8 | San Antonio | 10 | (210) 278-3880 |
| Jefferson H S | 9-12 | 1,706 | 15.4 | San Antonio | 10 | (210) 438-6570 |
| Irving Dual Language Academy | PK-8 | 557 | 15.2 | San Antonio | 10 | (210) 738-9740 |
| KIPP Aspire Academy | 5-8 | 470 | 23.2 | San Antonio | 11 | (210) 735-7300 |
| KIPP Esperanza Pri | K-4 | 424 | 20.1 | San Antonio | 11 | (210) 888-6601 |
| KIPP University Prep H S | 9-12 | 630 | 15.6 | San Antonio | 11 | (210) 290-8720 |
| Briscoe El | PK-5 | 494 | 17.8 | San Antonio | 11 | (210) 228-3305 |
| Jubilee Highland Hills | PK-8 | 686 | 15.9 | San Antonio | 11 | (210) 634-7590 |
| Fenwick Academy | PK-8 | 593 | 13.6 | San Antonio | 11 | (210) 438-6540 |
| Steele Montessori Academy | PK-8 | 395 | 16.4 | San Antonio | 11 | (210) 438-6870 |
| Royal Academy of Excellence | K-10 | 469 | 15.3 | San Antonio | 11 | (210) 531-0300 |
| Harris Middle | 6-8 | 719 | 14.7 | San Antonio | 11 | (210) 228-1220 |
| SST Schertz | PK-7 | 895 | 16.6 | Schertz | 11 | (830) 215-9500 |
| Por Vida Academy Charter H S | 9-12 | 104 | 17.5 | San Antonio | 11 | (210) 775-1132 |
| Valor San Antonio | K-12 | 342 | 18.8 | San Antonio | 11 | (210) 903-0383 |
| UT - University Charter School at High Point | 1-12 | 46 | 18 | San Antonio | 11 | (210) 834-4127 |
| Rodriguez Montessori El | PK-6 | 205 | 18.1 | San Antonio | 11 | (210) 438-6873 |
| Roy Cisneros El | PK-5 | 195 | 8.5 | San Antonio | 11 | (210) 898-4170 |
| Promesa Academy Charter School | K-5 | 248 | 12.2 | San Antonio | 11 | (210) 942-1700 |
| Burbank H S | 9-12 | 1,405 | 16.7 | San Antonio | 11 | (210) 228-1210 |
| KIPP Camino Academy | 5-8 | 408 | 19.5 | San Antonio | 11 | (210) 829-4200 |
| KIPP Un Mundo Pri | K-4 | 426 | 15.7 | San Antonio | 11 | (210) 824-1905 |
| Jubilee - Lake View University Prep | PK-12 | 548 | 15.4 | San Antonio | 12 | (210) 963-3900 |
| Basis San Antonio- Shavano Campus | 6-12 | 1,057 | 16.8 | San Antonio | 12 | (210) 874-9250 |
| Gus Garcia Middle | 6-8 | 684 | 18.5 | San Antonio | 12 | (210) 898-4160 |
| Woodlawn Hills El | PK-5 | 663 | 15.9 | San Antonio | 12 | (210) 438-6565 |
| Burleson Center | 12 | 37 | 37 | San Antonio | 12 | (210) 898-4061 |
| Las Palmas Leadership School for Girls | K-8 | 354 | 13.7 | San Antonio | 12 | (210) 898-4210 |
| Compass Rose Legacy | 6-12 | 530 | 15.3 | San Antonio | 12 | (210) 890-8448 |
| Compass Rose Legacy El | PK-5 | 361 | 17.6 | San Antonio | 12 | (210) 540-9265 |
| East Central Cast Lead H S | 8-12 | 215 | 10.5 | San Antonio | 12 | (210) 634-7302 |
| Somerset Academy Brooks | PK-12 | 1,227 | 22.4 | San Antonio | 13 | (210) 633-9006 |
| Basis San Antonio Pri- Medical Center Campus | K-5 | 799 | 19.7 | San Antonio | 13 | (210) 319-5525 |
| Great Hearts Forest Heights | K-12 | 1,335 | 18.4 | San Antonio | 13 | (210) 892-3665 |
| Cast Imagine Middle | 6-8 | 82 | 15.2 | San Antonio | 13 | (210) 228-3380 |
| Cast Med H S | 9-12 | 213 | 14.6 | San Antonio | 13 | (210) 228-3380 |
| Charles Graebner El | PK-5 | 651 | 14.8 | San Antonio | 13 | (210) 228-3320 |
| IDEA South Flores Academy | K-5 | 680 | 24 | San Antonio | 13 | (210) 239-4150 |
| IDEA South Flores College Preparatory | 6-12 | 715 | 15.1 | San Antonio | 13 | (210) 239-4150 |
| SST Discovery | PK-7 | 508 | 13.2 | San Antonio | 13 | (210) 543-1111 |
| IDEA Monterrey Park Academy | K-5 | 607 | 24.9 | San Antonio | 13 | (210) 239-4200 |
| IDEA Monterrey Park College Preparatory | 6-12 | 743 | 17.8 | San Antonio | 13 | (210) 239-4200 |
| Gardendale Pre-K 4 Sa Early Learning | PK-2 | 246 | 14.5 | San Antonio | 13 | (210) 898-4190 |
| IDEA Ingram Hills Academy | K-5 | 588 | 22.3 | San Antonio | 13 | (210) 529-3700 |
| IDEA Ingram Hills College Preparatory | 6-12 | 543 | 15.8 | San Antonio | 13 | (210) 529-3700 |
| Prelude Preparatory Charter School | PK-6 | 162 | 13.9 | San Antonio | 13 | (210) 780-7661 |
| Learn4life | 9-12 | 224 | | San Antonio | 13 | (210) 898-4078 |
| Ki Charter San Antonio | 6-12 | new in 2025-26 | | San Antonio | 14 | (210) 889-9643 |
| Somerset Academy Oaks | PK-6 | 199 | 13.5 | San Antonio | 14 | (210) 627-6013 |
| Pre-K 4 San Antonio | PK | 27 | | San Antonio | 14 | (210) 206-2900 |
| Compass Rose Ingenuity | PK-11 | 830 | 18.1 | San Antonio | 14 | (210) 540-9265 |
| Premier High School-San Antonio Ingram | 9-12 | 116 | 38.7 | San Antonio | 14 | (325) 603-4444 |
| Texasworks - San Antonio-Ingram | 9-12 | 12 | | San Antonio | 14 | (830) 587-4730 |
| Southwest Prep Northwest El | PK-5 | 101 | 12.5 | San Antonio | 15 | (210) 432-2634 |