The top-rated high schools in San Antonio are International School of America (9.3/10), Young Women's Leadership Academy (8.6/10), and Great Hearts Monte Vista North (8.5/10), based on MySchoolScout's analysis of 93 high public schools meeting this ranking's coverage rules. Schools with estimated (proxy) scores are excluded from this ranking.
San Antonio, Texas has 116 high school directory listings spanning 44 school districts. Of 116 high schools in San Antonio, 97 are public schools with a comparable public-model composite score. This ranking includes 93 high public schools meeting this ranking's coverage rules. 16 (17%) public schools included in this ranking are 7.0 or above. Across all 93 public schools included in this ranking, the average is 5.6/10. San Antonio has a notable charter school presence, with 42 charter high schools (36% of all high schools) offering alternatives to traditional public schools. Among 93 high public schools included in this ranking and a reported student-teacher ratio, the average is 15.4:1. Our rankings identify International School of America as the top-rated high school in San Antonio, followed by Young Women's Leadership Academy and Great Hearts Monte Vista North. Schools with enough data are scored on student growth, poverty-adjusted academics, and school environment — plus college readiness for high schools — using data from the NCES and state education sources.
Ranked by composite score; the tick is the score on the 1–10 axis.
This list shows 25 of the 93 high public schools meeting this ranking's coverage rules in San Antonio. Learn about our methodology.
North East ISD
496 students · 11.3:1 student-teacher ratio · grades 9th–12th
Top 1% in Texas
San Antonio ISD
521 students · 14.9:1 student-teacher ratio · grades 6th–12th
Top 8% in Texas · charter
Great Hearts Texas
423 students · 13.2:1 student-teacher ratio · grades 6th–12th
Top 8% in Texas · charter
Northside ISD
921 students · 18.1:1 student-teacher ratio · grades 9th–12th
Top 10% in Texas
Alamo Heights ISD
1,537 students · 12.8:1 student-teacher ratio · grades 9th–12th
Top 11% in Texas
Ft Sam Houston ISD
788 students · 10.8:1 student-teacher ratio · grades 6th–12th
Top 14% in Texas
School of Science and Technology
547 students · 11.9:1 student-teacher ratio · grades 7th–12th
Top 15% in Texas · charter
North East ISD
3,409 students · 18.2:1 student-teacher ratio · grades 9th–12th
Top 20% in Texas
Basis Texas
1,038 students · 17.9:1 student-teacher ratio · grades 6th–12th
Top 23% in Texas · charter
Idea Public Schools
642 students · 15.7:1 student-teacher ratio · grades 6th–12th
Top 23% in Texas · charter
In the current MySchoolScout comparison, International School of America is the top-rated high school in San Antonio with a composite score of 9.3/10. The score blends student growth, poverty-adjusted academic performance, and school environment — plus college readiness for high schools — with equity shown as context, not scored.
San Antonio has 116 high schools, including 42 charter schools. 97 public schools have a comparable public-model composite score.
Among 93 San Antonio high public schools included in this ranking, the average is 5.6/10.
Schools with enough data receive a 1-10 composite score that blends Student Growth, Poverty-Adjusted Academic Achievement, and School Environment — plus College Readiness for high schools. Weights vary by school level, with growth counting most in elementary and middle grades. Equity data is shown for context but not scored. 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.
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.
San Antonio has 42 charter high schools in its directory. Charter schools that meet this ranking's data requirements are included alongside traditional public schools using the same composite scoring methodology.
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.
Guide
Learn how to interpret and use school ratings effectively when making school choice decisions. Understand what ratings measure, their limitations, and how to combine data with personal research.