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Average

#5303 of 8,547 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

5.8

Grades

9th – 12th

Updated 2022-23

How this school compares

In San Antonio

#214 of 516

public schools

Texas high schools

#1,281 of 1,699

In district

#31 of 122

NORTHSIDE ISD

About Brennan H S

Brennan High School serves 3,052 students in grades 9-12 in San Antonio's thriving suburban community. With 176 full-time equivalent teachers, the school maintains a 17.3:1 student-teacher ratio, providing reasonable class sizes for this large high school environment. The school currently ranks #7441 out of 8598 Texas high schools, earning a MySchoolScout rating of 3.9 out of 10, indicating significant room for academic growth.

While the school faces academic challenges, it serves a community with strong educational values and economic stability. Brennan High School is situated in the 78253 ZIP code area, where families enjoy a median household income of $104,951 and median home values of $307,500. The community demonstrates a commitment to education, with 42% of residents holding bachelor's degrees or higher, and maintains economic stability with just a 6% poverty rate among its 63,735 residents.

As a regular public school in Bexar County, Brennan High School operates within one of Texas's major metropolitan areas, benefiting from the resources and opportunities that come with a large suburban setting. The school serves families in an established, well-educated community that values academic achievement and provides a stable foundation for student success.

What Parents Should Know

Brennan H S is a large school with 3,052 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress3.1Fair25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-10.25 pts/yr
Data Period2019–2021
TrendDeclining
Academics6.4Above Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency26%
Reading/ELA Proficiency60%
Overall Proficiency43%
Expected (poverty-adj.)51%
vs. Expected-8.2 pts
Adjusted Percentile48th
College Readiness9.3Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation37.9%
IB ProgramNo
Resources & Environment3.1Fair20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio17.3:1
Per-Pupil Spending$10,615

Brennan H S — Students at Brennan H S score 43% proficient, which is below what's typical for similar communities (expected: 51%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

36.8%

Students qualifying for federal meal assistance

Test Scores TX EDFACTS (2020-21)

Math Proficiency 46.0%
School
State
N/A
ELA Proficiency 60.5%
School
State
N/A

Based on 4 test records from TX state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
66%
ELA
61%
2021*
Math
26%
ELA
60%

* 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: 3.1/10.

How Brennan H S Compares

See how Brennan H S performs across key quality dimensions compared to state benchmarks.

Overall Score
5.8/10
38th percentile in TX
Academic
6.4/10
6.4/10
Growth
3.1/10
Below average
Environment
3.1/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
37%
Teaching Staff
17:1 student-teacher ratio
176 teachers

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. LITTLE LIONS LEARNING ACADEMY (rated 6.9/10, 1.8 miles away), which scores notably higher. Another option is TAFT H S (rated 6.5/10, 2.7 miles away), which scores slightly higher. Additionally, PINNACLE MONTESSORI (rated 6.2/10, 1.9 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 6.1
BRISCOE MIDDLE San Antonio 1.1 mi 5.0
GALM EL San Antonio 1.1 mi 4.0
HOFFMANN EL San Antonio 1.3 mi 5.0
BASIS SAN ANTONIO - JACK LEWIS JR CAMPUS San Antonio 1.4 mi 3.6
BASIS SAN ANTONIO PRI - JACK LEWIS JR CAMPUS San Antonio 1.4 mi 3.7
LUNA MIDDLE San Antonio 1.8 mi 3.8
PINNACLE MONTESSORI San Antonio 1.9 mi 6.2
OTT EL San Antonio 1.9 mi 4.8
LITTLE LIONS LEARNING ACADEMY San Antonio 1.8 mi 6.9
COLE EL San Antonio 1.8 mi 5.2
LEWIS EL San Antonio 2.0 mi 5.0
VALE MIDDLE San Antonio 1.9 mi 4.8
MIRELES EL San Antonio 2.4 mi 5.7
PRIMROSE SCHOOL OF ALAMO RANCH San Antonio 2.4 mi
FORESTER EL San Antonio 2.3 mi 3.0
UNITED KIDZ ACADEMY SAN ANTONIO San Antonio 2.3 mi
LIECK EL San Antonio 2.6 mi 4.3
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

Community Profile

The community surrounding Brennan H S has a median household income of $104,260. It is a well-educated community where 43% of adults hold a bachelor's degree or higher. The median home value in the area is $334,900, with a median rent of $1,557/month. The local poverty rate of 7.1% is relatively low. The average commute for residents is 31 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
AMERICAS H S El Paso, TX 5.8
ECONOMEDES H S Edinburg, TX 5.8
GLENN H S Leander, TX 5.8
GOOSE CREEK MEMORIAL Baytown, TX 5.8
IRVING H S Irving, TX 5.8
MARTIN H S Laredo, TX 5.8

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 is ranked #5303 out of 8,547 schools in TX.

What is Brennan H S's MySchoolScout rating?

Brennan H S has a composite rating of 5.8 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Brennan H S?

Based on the most recent state assessment data, Brennan H S has 46.0% math proficiency and 60.5% reading/ELA proficiency.

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
4 Car-Dependent
Bike Score
17 Somewhat Bikeable
City Safety
High (5,229/100K)

Powered by Walk Score

FBI UCR 2024. City-level (San Antonio). Data >1 year old.

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
Data Year
2023–2024

District

NORTHSIDE ISD
District Enrollment
101,095
Schools in District
126
Per-Pupil Spending
$10,632
District Rank
#31 of 122

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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