Brennan High School

Summary:

Brennan High School is a public high school in San Antonio, Texas, serving 3,142 students in grades 9-12 as part of the Northside Independent School District. This high-performing school consistently maintains exceptional graduation rates, strong test scores, and low dropout rates, particularly among African American and Hispanic students.

Brennan High School's four-year graduation rate has ranged from 99.3% to 99.7% over the past five years, significantly higher than the state average. The school also outperforms the district and state on STAAR End-of-Course exams, with higher proficiency rates in subjects like Biology, English, and U.S. History. Notably, Brennan ranks in the top 25% of Texas high schools for African American and Hispanic student performance on these assessments.

While Brennan High School generally outshines the district and state, there are several nearby schools within the Northside Independent School District, such as Sotomayor High School and Harlan High School, that also demonstrate strong academic achievement and high graduation rates. Additionally, Brennan's relatively low percentage of economically disadvantaged students, ranging from 30.9% to 39.02%, is lower than some neighboring schools like Jay High School (80.92%) and Stevens High School (66.18%).


Detail:

Public 9-12

 2400 Cottonwood Way
       San Antonio, TX  78253


(210) 398-1250

District: Northside Independent School District (Isd)

SchoolDigger Rank:
562nd of 1,987 Texas High Schools

Per Pupil Expenditures:  $7,989 Help


Feeder schools for Brennan High School:

Elementary:    Behlau Elementary
    Galm Elementary
    Lieck Elementary
    Mora Elementary
    More...
Middle:    Luna Middle

Student/teacher ratio:  17.8 Help
Number of students:  3,142

Racial breakdown:

Hispanic:
63.6%
White:
16.8%
African American:
11.9%
more

Free/discounted lunch recipients:  39% Help


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Performance Trends
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Compare Details Brennan High School ranks better than 71.7% of high schools in Texas. It also ranks 6th among 12 ranked high schools in the Northside Independent School District (Isd). (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 64.72. (See more...)
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The four-year cohort graduation rate measures the percentage of students at Brennan High School who earn a standard high school diploma within four years of starting ninth grade.
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The high school dropout rate measures the percentage of students who do not complete their high school education.
Student Body
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Compare Details Brennan High School has the largest high school student body size in the Northside Independent School District (Isd). Racial makeup is: Hispanic (63.6%), White (16.8%), African American (11.9%). (See more...)
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Compare Details 39% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Brennan High School is 17.8. 13 high schools in the Northside Independent School District (Isd) have better student/teacher ratios. (See more...)
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Compare Brennan High School employs 175.8 full-time teachers.
Finance
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Compare Details The average total spent per student at Brennan High School is $7,989. 11 high schools in the Northside Independent School District (Isd) spend more per student.
Schooldigger Rankings:

Brennan High School was not ranked this year due to insufficient test score data.
SchoolDigger ranks Brennan High School 562nd of 1987 Texas public high schools. (See Brennan High School in the ranking list.)

Northside Independent School District (Isd):

SchoolDigger ranks Northside Independent School District (Isd) 496th of 968 Texas school districts. (See district ranking list.)

Average Parent Rating:

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Rank History for Brennan High School

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Rank History for all students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2011 66.69 526th 1672 68.5%
2012 74.43 173rd 1603 89.2%
2013 71.73 319th 1652 80.7%
2014 73.63 291st 1734 83.2%
2015 69.59 412th 1743 76.4%
2016 68.60 421st 1762 76.1%
2017 70.21 346th 1777 80.5%
2018 67.26 399th 1797 77.8%
2019 71.96 329th 1857 82.3%
2021 62.26 593rd 1861 68.1%
2022 60.20 596th 1876 68.2%
2023 60.28 671st 1961 65.8%
2024 64.72 562nd 1987 71.7%
See the entire list of Texas High School Rankings!

Rank History for Multi-racial students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 49.78 278th 582 52.2%
2019 75.80 115th 604 81.0%
2021 54.85 241st 588 59.0%
2022 47.59 310th 664 53.3%
2023 56.86 245th 677 63.8%
See the entire list of Best Texas High Schools for Multi-racial Students!

Rank History for English Language Learner students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 49.78 376th 1113 66.2%
2019 56.23 326th 1136 71.3%
2021 61.40 275th 1195 77.0%
2022 57.91 312th 1278 75.6%
2023 52.86 439th 1371 68.0%
See the entire list of Best Texas High Schools for English Language Learner Students!

Rank History for Special Education students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 62.05 305th 1347 77.4%
2019 81.26 123rd 1357 90.9%
2021 51.68 488th 1382 64.7%
2022 59.73 358th 1418 74.8%
2023 67.45 277th 1478 81.3%
See the entire list of Best Texas High Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 62.97 410th 1794 77.1%
2019 72.58 261st 1818 85.6%
2021 56.95 622nd 1848 66.3%
2022 51.42 731st 1847 60.4%
2023 53.49 705th 1897 62.8%
See the entire list of Best Texas High Schools for Low Socio Economic Status Students!

Rank History for Female students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 69.34 384th 1781 78.4%
2019 71.61 357th 1798 80.1%
2021 62.88 575th 1815 68.3%
2022 63.48 514th 1841 72.1%
2023 61.10 621st 1891 67.2%
See the entire list of Best Texas High Schools for Female Students!

Rank History for Gifted and Talented students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 63.80 498th 1137 56.2%
2019 68.97 340th 1145 70.3%
2021 64.74 521st 1177 55.7%
2022 64.30 484th 1172 58.7%
2023 62.55 566th 1182 52.1%
See the entire list of Best Texas High Schools for Gifted and Talented Students!

Rank History for At Risk students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 63.89 355th 1784 80.1%
2019 75.07 217th 1810 88.0%
2021 44.94 863rd 1829 52.8%
2022 65.02 357th 1837 80.6%
See the entire list of Best Texas High Schools for At Risk Students!

Rank History for Male students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 62.75 493rd 1803 72.7%
2019 69.05 376th 1824 79.4%
2021 58.72 634th 1840 65.5%
2022 53.70 721st 1853 61.1%
2023 57.00 675th 1913 64.7%
See the entire list of Best Texas High Schools for Male Students!

Rank History for Asian students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 65.38 173rd 486 64.4%
2019 65.33 164th 487 66.3%
2021 55.98 230th 488 52.9%
2022 53.30 260th 507 48.7%
2023 56.03 258th 525 50.9%
See the entire list of Best Texas High Schools for Asian Students!

Rank History for African American students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 72.83 186th 1013 81.6%
2019 69.80 224th 1024 78.1%
2021 70.30 214th 1020 79.0%
2022 68.03 217th 1031 79.0%
2023 65.46 256th 1069 76.1%
See the entire list of Best Texas High Schools for African American Students!

Rank History for Hispanic students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 67.75 350th 1691 79.3%
2019 72.62 293rd 1714 82.9%
2021 64.24 460th 1743 73.6%
2022 59.77 509th 1762 71.1%
2023 62.59 497th 1820 72.7%
See the entire list of Best Texas High Schools for Hispanic Students!

Rank History for Pacific Islander students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 21.46 30th 34 11.8%
2019 96.34 2nd 34 94.1%
2022 85.03 7th 31 77.4%
2023 61.30 12th 31 61.3%
See the entire list of Best Texas High Schools for Pacific Islander Students!

Rank History for White students at Brennan High School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools TX State Percentile SchoolDigger Rating
2018 68.24 352nd 1539 77.1%
2019 70.69 322nd 1526 78.9%
2021 54.87 640th 1510 57.6%
2022 63.14 436th 1525 71.4%
2023 60.18 553rd 1576 64.9%
See the entire list of Best Texas High Schools for White Students!

Data source: test scores: Texas Education Agency, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Brennan High School Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
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Data source: Texas Education Agency

Review counts

All ratings (Avg rating: 2)
0%

0%

0%

100%

0%

  

Reviews:
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Enrollment information for Brennan High School

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2010 0 0 0 0 0 n/a n/a 0 0
2011 304 163 8 754 4 4 80 0 1317
2012 417 227 23 1046 7 10 115 0 1845
2013 430 247 27 1187 6 9 174 0 2080
2014 475 260 24 1304 8 12 157 0 2240
2015 529 290 35 1432 7 16 146 0 2455
2016 569 326 48 1602 6 14 133 0 2698
2017 672 351 47 1704 8 12 124 0 2918
2018 587 324 49 1571 5 10 103 0 2649
2019 553 321 53 1533 4 17 107 0 2588
2020 568 333 53 1608 5 15 128 0 2710
2021 539 312 53 1718 2 9 131 0 2764
2022 554 349 61 1907 3 16 146 0 3036
2023 527 373 73 1999 2 12 156 0 3142

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Brennan High School

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2010 0 0.0 0.0 n/a
2011 1317 87.4 15.0 37.1
2012 1845 104.8 17.6 37.8
2013 2080 108.6 19.1 36.3
2014 2240 130.8 17.1 37.1
2015 2455 138.0 17.7 34.1
2016 2698 153.0 17.6 30.9
2017 2918 165.3 17.6 30.7
2018 2649 150.5 17.5 30.2
2019 2588 154.2 16.7 34.6
2020 2710 154.5 17.5 33.2
2021 2764 155.7 17.7 30.9
2022 3036 165.9 18.2 36
2023 3142 175.8 17.8 39

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Brennan High School

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2010 0 0.0 0.0 n/a
2011 1317 87.4 15.0 37.1
2012 1845 104.8 17.6 37.8
2013 2080 108.6 19.1 36.3
2014 2240 130.8 17.1 37.1
2015 2455 138.0 17.7 34.1
2016 2698 153.0 17.6 30.9
2017 2918 165.3 17.6 30.7
2018 2649 150.5 17.5 30.2
2019 2588 154.2 16.7 34.6
2020 2710 154.5 17.5 33.2
2021 2764 155.7 17.7 30.9
2022 3036 165.9 18.2 36
2023 3142 175.8 17.8 39

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.
Finances

Per Pupil Expenditures for Brennan High School

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YearExpenditures from Federal FundsExpenditures from State and Local FundsTotal Expenditures Per Pupil (All Funds)
2019 $484 (5.9%) $7,678 (94.1%) $8,163
2020 $478 (6.1%) $7,418 (93.9%) $7,896
2021 $380 (4.8%) $7,610 (95.3%) $7,989

Data source: Texas Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Brennan High School

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 329th of 1857 High schoolsRanks 671st of 1961 High schools
 16.5%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
End of Course Algebra I (Brennan High School)6921
 48%
   End of Course Algebra I (Northside Independent School District (Isd))6844
 24%
   End of Course Algebra I (Texas)6245
 17%
End of Course Biology (Brennan High School)7470
 4%
   End of Course Biology (Northside Independent School District (Isd))7266
 6%
   End of Course Biology (Texas)6357
 6%
End of Course English I Reading (Brennan High School)6763
 4%
   End of Course English I Reading (Northside Independent School District (Isd))6059
 1%
   End of Course English I Reading (Texas)4954
 5%
End of Course English II Reading (Brennan High School)6365
 2%
   End of Course English II Reading (Northside Independent School District (Isd))5763
 6%
   End of Course English II Reading (Texas)5156
 5%
End of Course U.S. History (Brennan High School)8681
 5%
   End of Course U.S. History (Northside Independent School District (Isd))8579
 6%
   End of Course U.S. History (Texas)7571
 4%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students25883142
 21.4%
African American321373
 16.2%
American Indian42
 50%
Asian5373
 37.7%
Hispanic15331999
 30.4%
Pacific Islander1712
 29.4%
White553527
 4.7%
Two or More Races107156
 45.8%
% Free/Discounted Lunch Recipients34.6%39%
 4.4%


Schools Near Brennan High School









Frequently Asked Questions about Brennan High School

In the 2022-23 school year, 3,142 students attended Brennan High School.

Students at Brennan High School are 64% Hispanic, 17% White, 12% African American, 5% Two or more races, 2% Asian.

Brennan High School ranks 562nd of 1987 Texas high schools. SchoolDigger rates this school 4 stars out of 5.

Brennan High School is fed by the following schools:

Elementary : Behlau Elementary
Elementary : Galm Elementary
Elementary : Lieck Elementary
Elementary : Mora Elementary
Elementary : Ott Elementary
Middle : Luna Middle


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Texas Education Agency.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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