Best High Schools
in San Antonio, Texas
We ranked all 116 high schools in San Antonio. The top 25 scored between 7.1 and 9.2 out of 10.
Updated for 2026 · Based on NCES and Texas education data
San Antonio's 97 ranked high schools span a wide performance range, with an average composite score of 6.3/10 across the metro. At the top, Alamo Heights H S leads at 9.2/10, followed closely by KIPP SOMOS Collegiate, International School of America, and two CAST campuses — CAST Med and CAST STEM — all scoring 8.8 or above. Twenty-eight schools, roughly 29% of the ranked total, clear the 7/10 threshold, giving families a solid pool of strong options to evaluate. Scores, student-teacher ratios, and other key indicators are sortable in the table below. Whether you're zoned to a neighborhood school or considering a magnet or charter program, the data lets you compare across the full field and focus on what matters most for your student.
ALAMO HEIGHTS H S
KIPP SOMOS COLLEGIATE
INTERNATIONAL SCHOOL OF AMERICA
Score Distribution
Where the top 25 schools fall on a 1-10 scale
How We Ranked San Antonio's High Schools
Every school receives a composite score from 1 to 10 based on four components: Academic Achievement (50%) measures standardized test performance in math and reading. Student Growth (20%) tracks improvement over time. Equity (15%) evaluates how well a school serves all student groups. Environment (15%) considers class size, spending, and attendance. All scores are computed within Texas so schools are compared to peers in the same state. See our full methodology.
All 25 Rankings
| # | School | Score |
|---|---|---|
| 1 | ALAMO HEIGHTS H S ALAMO HEIGHTS ISD | 9.2 |
| 2 | KIPP SOMOS COLLEGIATE Charter KIPP TEXAS PUBLIC SCHOOLS | 8.9 |
| 3 | INTERNATIONAL SCHOOL OF AMERICA NORTH EAST ISD | 8.8 |
| 4 | CAST MED H S Charter SAN ANTONIO ISD | 8.8 |
| 5 | CAST STEM H S SOUTHWEST ISD | 8.8 |
| 6 | JEFFERSON H S Charter SAN ANTONIO ISD | 8.3 |
| 7 | CHAVEZ EXCEL ACADEMY NORTHSIDE ISD | 8.0 |
| 8 | KIPP UNIVERSITY PREP H S Charter KIPP TEXAS PUBLIC SCHOOLS | 7.9 |
| 9 | CHURCHILL H S NORTH EAST ISD | 7.9 |
| 10 | IDEA EWING HALSELL COLLEGE PREPARATORY Charter IDEA PUBLIC SCHOOLS | 7.8 |
| 11 | REAGAN H S NORTH EAST ISD | 7.8 |
| 12 | IDEA MONTERREY PARK COLLEGE PREPARATORY Charter IDEA PUBLIC SCHOOLS | 7.7 |
| 13 | JAY H S NORTHSIDE ISD | 7.7 |
| 14 | HEALTH CAREERS H S NORTHSIDE ISD | 7.7 |
| 15 | LUTHERAN HIGH SCHOOL OF SAN ANTONIO | 7.7 |
| 16 | BASIS SAN ANTONIO- SHAVANO CAMPUS Charter BASIS TEXAS | 7.6 |
| 17 | IDEA MAYS COLLEGE PREPARATORY Charter IDEA PUBLIC SCHOOLS | 7.5 |
| 18 | IDEA CARVER COLLEGE PREPARATORY Charter IDEA PUBLIC SCHOOLS | 7.3 |
| 19 | MEMORIAL H S EDGEWOOD ISD | 7.3 |
| 20 | ALTER H S NORTH EAST ISD | 7.3 |
| 21 | CAST TECH H S Charter SAN ANTONIO ISD | 7.3 |
| 22 | BRANDEIS H S NORTHSIDE ISD | 7.2 |
| 23 | IDEA JUDSON COLLEGE PREPARATORY Charter IDEA PUBLIC SCHOOLS | 7.1 |
| 24 | HIGHLANDS H S SAN ANTONIO ISD | 7.1 |
| 25 | YOUNG WOMEN'S LEADERSHIP ACADEMY Charter SAN ANTONIO ISD | 7.1 |
Scores are based on 2024-25 data from the NCES Common Core of Data and Texas education department. Rankings are relative to all public high schools in Texas. Learn about our methodology.
Map: Top 25 High Schools in San Antonio
Pins are color-coded by score: green (7+), yellow (4-6.9), red (below 4). Click a pin for details.
School Spotlights: San Antonio's Top 10 High Schools
Choosing the Right High School in San Antonio
Rankings identify schools with the strongest measurable outcomes, but the right school for your family depends on more than a number. San Antonio's high school landscape is one of the most diverse in Texas, with 116 schools spanning 44 school districts, plus 42 charter schools offering alternative approaches.
Consider your child's learning style. Some children thrive in smaller settings (look for student-teacher ratios under 14:1), while others do well in larger, more social environments. The schools on this list range widely in size and approach.
Look beyond the composite score. A school ranked #15 might be the best fit if it excels in growth (improving student outcomes year over year) even if its raw academic score is lower. Click into individual school profiles to see the breakdown.
Visit your top choices. Walk the hallways during a school day. Watch how teachers interact with students. Ask about before- and after-school care, transportation, and parent involvement. These details matter more than any dataset.
Frequently Asked Questions
What is the best high school in San Antonio, Texas?
According to MySchoolScout's 2026 rankings, ALAMO HEIGHTS H S is the top-rated high school in San Antonio with a composite score of 9.2/10. The score is based on academic performance, student growth, equity, and school environment.
How many high schools are in San Antonio, Texas?
San Antonio has 116 high schools, including 42 charter schools. Of these, 106 have enough data for a full composite rating on MySchoolScout.
What is the average high school rating in San Antonio?
The average composite score for San Antonio high schools is 6.2/10. Scores range from 1.0 (bottom of the state) to 10.0 (top 1% in Texas).
How does MySchoolScout rate high schools?
Each school receives a 1-10 composite score based on four components: Academic Achievement (50%), Student Growth (20%), Equity (15%), and School Environment (15%). All scores are computed within Texas, so schools are compared to peers in the same state. Data comes from the NCES Common Core of Data and state education departments.
What is a good school rating on MySchoolScout?
A score of 7 or above means a school is in roughly the top 30% of its state. A 5 is average. Anything above 8 is exceptional. Our ratings are relative to other schools in Texas, not a national comparison, because each state has different testing standards.
Are charter schools included in the San Antonio high school rankings?
Yes. San Antonio has 42 charter high schools, and they are ranked alongside traditional public schools using the same composite scoring methodology.