Brennan H S
🇺🇸 Official data · 2025San Antonio, Texas 78253 · Northside ISD
#292 of 1,419 high schools in Texas
#4215 of 16,910 nationally
About Brennan H S
Brennan H S is a public high located in San Antonio, in the Northside ISD school district of Texas, United States. It caters for Grades 9–12. In 2025 it enrolled 2,965 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 66.3 out of 100, placing it in the top 25% of high schools in United States and 292nd of 1,419 ranked high schools in Texas. Its strongest component is math proficiency (81th percentile), and its weakest is students per teacher (34th percentile).
Other published figures: enrollment 2,965.
There are 476 schools in San Antonio; Brennan H S ranks 81st of 448 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)66%
- Reading proficiency (30%)61%
- Community advantage (fewer free/reduced-price lunch) (25%)33.6%
- Students per teacher (15%)17.0
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Brennan H S by the official sources.
- Enrollment
- 2,965
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 33.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 17.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 61%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 66%
- Share of tested students proficient or above (all students, all grades).
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Schools near Brennan H S
Closest schools by straight-line distance, with their Success Index (US).
Harmony School of Science- San Antonio
San Antonio · Charter elementary · Grades PK–8
602 students · 783 m away
Briscoe Middle
San Antonio · Public middle · Grades 6–8
1,263 students · 1.7 km away
Galm El
San Antonio · Public elementary · Grades PK–5
541 students · 1.7 km away
Hoffmann El
San Antonio · Public elementary · Grades PK–5
754 students · 2.1 km away
Basis San Antonio - Jack Lewis JR Campus
San Antonio · Charter middle · Grades 6–8
181 students · 2.3 km away
Basis San Antonio Pri - Jack Lewis JR Campus
San Antonio · Charter elementary · Grades K–5
605 students · 2.3 km away
Cole El
San Antonio · Public elementary · Grades PK–5
769 students · 2.8 km away
Luna Middle
San Antonio · Public middle · Grades 6–8
1,114 students · 2.9 km away
Vale Middle
San Antonio · Public middle · Grades 6–8
846 students · 3.1 km away
Ott El
San Antonio · Public elementary · Grades PK–5
606 students · 3.1 km away
Similar schools
Public high schools in Texas with a comparable Enrollment.
Lamar H S
Houston · Public high · Grades 9–12
2,968 students
Byron Nelson H S
Trophy Club · Public high · Grades 9–12
2,969 students
Humble H S
Humble · Public high · Grades 9–12
2,960 students
Timber Creek H S
Fort Worth · Public high · Grades 9–12
2,970 students
Lake Highlands H S
Dallas · Public high · Grades 9–12
2,972 students
Pebble Hills H S
El Paso · Public high · Grades 9–12
2,952 students
Frequently asked questions
Is Brennan H S a good school?
Brennan H S has a Success Index (US) of 66.3 out of 100 (Top 25% of high schools in United States) and ranks #292 of 1,419 in Texas. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Brennan H S rank in Texas?
Brennan H S ranks #292 of 1,419 high schools in Texas and #4215 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Brennan H S?
Brennan H S had 2,965 students in 2025.
Is Brennan H S a elementary school or a high school?
Brennan H S is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Brennan H S?
There are 10 schools within 15 km of Brennan H S; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.