Average
#4604 of 8,552 schools in TX
Brennan H S
High School · NORTHSIDE ISD
2400 COTTONWOOD WAY, San Antonio, TX 78253
Enrollment
3,052
Student-Teacher
17.3:1
Score
6.2
Grades
9th – 12th
Enrollment
3,052
Student-Teacher
17.3:1
Score
6.2
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Texas schools
#4,604 of 8,552
In San Antonio
#155 of 516
public schools
In district
#29 of 122
NORTHSIDE ISD
Shortlisting around Brennan H S?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Brennan H S
High School in San Antonio · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Harmony School of Science- San Antonio
0.5 mi away. Use as a geographic alternative in the same move search.
Briscoe Middle
1.1 mi away. Use as a geographic alternative in the same move search.
About Brennan H S
Brennan H S is a public high school in San Antonio, TX, part of NORTHSIDE ISD. Brennan H S serves approximately 3,052 students, and covers grades 9th-12th, and has a 17.3:1 student-teacher ratio. Brennan H S has a current MySchoolScout rating of 6.2 out of 10 and ranks #4,604 of 8,552 schools in TX.
Structured state assessment records for Brennan H S show 67% math proficiency (multi-year average, 2010-2024) and 73% reading/ELA proficiency (multi-year average, 2010-2024).
- This school 6.2 · Average
- District avg 5.7
- TX avg 6.3
What Parents Should Know
Brennan H S is a large school: 3,052 students. Size usually brings more course choices and activities than a smaller school can staff, but kids can also blend into the crowd. Ask how the school keeps students known and supported.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Brennan H S — Students at Brennan H S score 48% proficient, which is below what's typical for similar communities (expected: 58%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
36.8%
Students qualifying for federal meal assistance
Test Scores TX STAAR (2023-24)
Based on 26 test records from TX state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.7/10.
How Brennan H S Compares
See how Brennan H S performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
2400 COTTONWOOD WAY, San Antonio, TX 78253
Nearby Alternatives
Families considering Brennan H S may also want to explore other high schools in the area. HARMONY SCHOOL OF SCIENCE- SAN ANTONIO (rated 8.0/10, 0.5 miles away, in nearby Houston), which scores notably higher. Another option is COLE EL (rated 7.0/10, 1.8 miles away), which scores slightly higher. Additionally, LITTLE LIONS LEARNING ACADEMY (rated 6.9/10, 1.8 miles away), which scores slightly higher. For more schools in San Antonio, see our San Antonio schools guide .
Nearby Schools
20 within 2.8 mi| School | Distance | Rating |
|---|---|---|
| HARMONY SCHOOL OF SCIENCE- SAN ANTONIO Houston | 0.5 mi | 8.0 |
| BRISCOE MIDDLE San Antonio | 1.1 mi | 5.9 |
| GALM EL San Antonio | 1.1 mi | 4.7 |
| HOFFMANN EL San Antonio | 1.3 mi | 4.6 |
| BASIS SAN ANTONIO - JACK LEWIS JR CAMPUS San Antonio | 1.4 mi | 5.7 |
| BASIS SAN ANTONIO PRI - JACK LEWIS JR CAMPUS San Antonio | 1.4 mi | 5.3 |
| LUNA MIDDLE San Antonio | 1.8 mi | 4.1 |
| PINNACLE MONTESSORI San Antonio | 1.9 mi | 6.2 |
| OTT EL San Antonio | 1.9 mi | 4.6 |
| LITTLE LIONS LEARNING ACADEMY San Antonio | 1.8 mi | 6.9 |
| COLE EL San Antonio | 1.8 mi | 7.0 |
| LEWIS EL San Antonio | 2.0 mi | 4.8 |
| VALE MIDDLE San Antonio | 1.9 mi | 3.8 |
| MIRELES EL San Antonio | 2.4 mi | 5.1 |
| PRIMROSE SCHOOL OF ALAMO RANCH San Antonio | 2.4 mi | — |
| FORESTER EL San Antonio | 2.3 mi | 5.0 |
| UNITED KIDZ ACADEMY SAN ANTONIO San Antonio | 2.3 mi | — |
| LIECK EL San Antonio | 2.6 mi | 4.6 |
| TAFT H S San Antonio | 2.7 mi | 6.5 |
| PINNACLE MONTESSORI ACADEMY OF ALAMO RANCH San Antonio | 2.8 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 78253 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$104,260
Median Home Value
$334,900
Median Rent
$1,557/mo
Population
67,578
College Educated
42.7%
Homeownership
77.3%
Avg Commute
30.6 min
Poverty Rate
7.1%
Median Age
32.6
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| CLEAR FALLS H S League City, TX | 6.2 |
| CLEBURNE H S Cleburne, TX | 6.2 |
| KLEIN COLLINS H S Klein, TX | 6.2 |
| LIBERTY HILL H S Liberty Hill, TX | 6.2 |
| STERLING H S Baytown, TX | 6.2 |
| TRINITY H S Euless, TX | 6.2 |
Frequently Asked Questions
Common questions about Brennan H S
What grades does Brennan H S serve?
Brennan H S serves students in grades 9th through 12th.
How many students attend Brennan H S?
Brennan H S has an enrollment of approximately 3,052 students.
What is the student-teacher ratio at Brennan H S?
The student-teacher ratio at Brennan H S is 17.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Brennan H S rank in TX?
Brennan H S ranks #4,604 of 8,552 schools in TX.
What is Brennan H S's MySchoolScout rating?
Brennan H S has a current MySchoolScout rating of 6.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Brennan H S?
Based on loaded state assessment records, Brennan H S has 67% math proficiency (multi-year average, 2010-2024) and 73% reading/ELA proficiency (multi-year average, 2010-2024).
Is Brennan H S a charter school?
No, Brennan H S is not a charter school. It is a traditional public school operated by the local school district.
Is Brennan H S a Title I school?
No, Brennan H S is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Brennan H S?
36.8% of students at Brennan H S qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 3,052
- Student-Teacher Ratio
- 17.3:1
- Teachers (FTE)
- 176
- Free/Reduced Lunch
- 36.8%
- Type
- regular
- Setting
- Large Suburb
- County
- Bexar County
- Chronic Absenteeism (SY 2022-23)
- 24.0%
- Phone
- (210) 398-1250
- 4-Year Graduation
- 99%+
Resources & Links
District
NORTHSIDE ISD- District Enrollment
- 101,095
- Schools in District
- 126
- Per-Pupil Spending
- $10,632
- District Rank
- #29 of 122
Other Schools in This District
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateRelated reading
- Best Public Schools in Texas 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Austin, TX — 2026 Rankingsbest schools
- Best Schools in Dallas, TX — 2026 Rankingsbest schools
- Best Schools in Fort Worth, TX — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.