County directory · Texas · 2026–27
School districts in Bexar County, TX
Bexar County has 15 regular public school districts, enrolling 296,560 students in 2024–25. The largest is Northside ISD (100,208 students, 34% of the county), followed by North East ISD and San Antonio ISD. All 15 offer kindergarten. Texas's kindergarten cutoff: turn 5 by September 1.
The 15 districts, largest first
| District and office | Grades | Schools | Students | Kindergarten | District office contact |
|---|---|---|---|---|---|
| Northside ISD 5900 EVERS RD, SAN ANTONIO also serves Bandera County and Medina County | Pre-K–12 | 128 | 100,208 | 6,213 | (210) 397-8500 |
| North East ISD 8961 TESORO DR, SAN ANTONIO | Pre-K–12 | 70 | 56,420 | 3,278 | (210) 407-0541 |
| San Antonio ISD 514 QUINCY ST, SAN ANTONIO | Pre-K–12 | 84 | 44,047 | 2,891 | (210) 554-2200 |
| Judson ISD 8012 SHIN OAK, SAN ANTONIO | Pre-K–12 | 37 | 23,539 | 1,641 | (210) 945-5100 |
| Southwest ISD 11914 DRAGON LN, SAN ANTONIO | Pre-K–12 | 19 | 14,833 | 930 | (210) 622-4300 |
| Harlandale ISD 102 GENEVIEVE ST, SAN ANTONIO | Pre-K–12 | 20 | 11,546 | 703 | (210) 989-4300 |
| East Central ISD 6634 NEW SULPHUR SPRINGS RD, SAN ANTONIO | Pre-K–12 | 18 | 11,497 | 729 | (210) 634-6100 |
| Edgewood ISD 5358 W COMMERCE ST, SAN ANTONIO | Pre-K–12 | 21 | 7,849 | 533 | (210) 898-2000 |
| South San Antonio ISD 5622 RAY ELLISON BLVD, SAN ANTONIO | Pre-K–12 | 14 | 7,468 | 486 | (210) 977-7000 |
| Southside ISD 1460 MARTINEZ LOSOYA RD, SAN ANTONIO | Pre-K–12 | 10 | 6,091 | 390 | (210) 882-1600 |
| Alamo Heights ISD 7101 BROADWAY ST, SAN ANTONIO | Pre-K–12 | 5 | 4,749 | 272 | (210) 824-2483 |
| Somerset ISD 7791 6TH ST, SOMERSET also serves Atascosa County | Pre-K–12 | 8 | 4,259 | 275 | (210) 750-8955 |
| Ft Sam Houston ISD 4005 WINANS RD, SAN ANTONIO | Pre-K–12 | 2 | 1,617 | 102 | (210) 368-8701 |
| Randolph Field ISD 1225 W PERIMETER RD, RANDOLPH A F B | Pre-K–12 | 3 | 1,427 | 105 | (210) 357-2493 |
| Lackland ISD 2460 KENLY AVE BLDG 8265, SAN ANTONIO | Pre-K–12 | 2 | 1,010 | 94 | (210) 357-5000 |
Bexar County at a glance
Together the 15 districts run 441 schools from offices in 3 towns. The smallest by enrollment is Lackland ISD, with 1,010 students; the median Bexar County district has 7,849. By grade span: 15 Pre-K–12.
Kindergarten in 2024–25, counting the 15 districts that report a K grade: 18,642 children. The biggest kindergarten was Northside ISD's, with 6,213; North East ISD had 3,278, and the smallest, Lackland ISD, had 94.
Bexar County holds 15 of Texas's 1,022 regular districts (1.5%) and 5.8% of its 5,108,224 public school students, ranking 5th of 253 counties by number of districts and 4th by enrollment. By size, 10 enroll 5,000 or more and 5 enroll 1,000 to 4,999, and the average school here has about 672 students.
2 districts reach past the county line: Northside ISD (into Bandera County and Medina County) and Somerset ISD (into Atascosa County).
Which district am I in?
Each district draws its own attendance zones, so your home address decides it, and with 2 of Bexar County's districts crossing county lines the county alone won't. There is no address lookup here; ask the district. Each one's own site:
Northside ISD · North East ISD · San Antonio ISD · Judson ISD · Southwest ISD · Harlandale ISD · East Central ISD · Edgewood ISD · South San Antonio ISD · Southside ISD · Alamo Heights ISD · Somerset ISD · Ft Sam Houston ISD · Randolph Field ISD · Lackland ISD
What grade will my child be in?
More in Texas
Every Texas district by county · Texas kindergarten cutoff
More Texas county directories: Collin County (14) · Dallas County (15) · Denton County (11) · Grayson County (13) · McLennan County (19) · Williamson County (11)