Brennan High School
Public high school in San Antonio, Texas · Northside ISD · Grades 9–12
Brennan High School serves 2,965 students in grades 9–12 in San Antonio (Bexar County). It is one of 124 schools in Northside ISD. By enrollment it is the 86th largest of 1,920 public high schools in Texas (median 457 students). With 17 students per full-time teacher, it has more students per teacher than the typical Texas high school (14).
Source: NCES CCD 2024-25. Rank and medians compare all 1,920 Texas high schools with enrollment listed on this site.
Source: NCES CCD 2024-25. Students per teacher = students ÷ 174.28 full-time-equivalent teachers.
School facts
| School type | Regular School |
| Level | High |
| Grades | 9–12 |
| District | Northside ISD |
| County | Bexar County |
| Area type | Suburb, large |
| School meals | National School Lunch Program, free or reduced price for eligible students |
| NCES school ID | 483312012347 |
Source: NCES CCD 2024-25 directory and school characteristics; area type from NCES EDGE locale codes.
Compared with the district and Texas
| This school | Northside ISD | Texas high schools (median) | |
|---|---|---|---|
| Students | 2,965 | 100,208 | 457 |
| Students per teacher | 17 | 14.3 | 14 |
| Free or reduced-price lunch eligible | 33.6% | 49.7% | 63.8% |
Source: NCES CCD 2024-25. District figures add up its schools. 79% of Texas high schools have fewer students per teacher than this school (share of schools with a lower ratio). State test results aren't published here yet.
Brennan High School in context
Size
Brennan High School is the largest of Northside ISD's 16 high schools; its 2,965 students are 3% of district enrollment. Its 8 closest high schools sit a median 3.7 miles away with a median enrollment of 2,544; Brennan High School is close to their typical size.
Source: NCES CCD 2024-25 enrollment and school type. Share of district students = this school's students ÷ the district's students. Nearest schools by straight-line distance between NCES EDGE locations.
Grades
Its largest grade is grade 10 with 769 students, and its smallest is grade 9 with 712, against an average of 741 per grade. Its first and last grades are close in size: 712 in grade 9 and 762 in grade 12.
Source: NCES CCD 2024-25 membership by grade.
Students
The largest group is Hispanic students: 62.8% here and 68.3% across Northside ISD. White students are next, at 15.2%. Students from 6 of the 7 race and ethnicity groups NCES reports are enrolled.
33.6% of its students are eligible for free or reduced-price lunch, against 49.7% across Northside ISD and a median of 63.8% for Texas high schools. Families apply for free or reduced-price meals, and eligibility depends on household income.
Source: NCES CCD 2024-25 membership and school lunch program data. District shares weight each school by its enrollment.
Teachers
With 174.28 full-time-equivalent teachers for 2,965 students, Brennan High School has 17 students per teacher. At the median Texas high school ratio of 14, a school with 2,965 students would have about 211.8 teachers, so Brennan High School has 37.5 fewer.
Source: NCES CCD 2024-25. Expected teachers = this school's students ÷ the median students per teacher of Texas high schools (14).
Location
Brennan High School is in an urbanized area of 250,000 people or more, outside its principal city, which NCES calls suburb, large. The nearest other high school is Taft High School, 2.8 miles away in the same district. Within 10 miles there are 25 other high schools, 7 of them within 5 miles.
Source: NCES EDGE school locations and locale codes, 2024-25. Distances are straight lines.
Students by race and ethnicity
| Hispanic | 62.8% |
| White | 15.2% |
| Black | 13.7% |
| Two or more races | 5.2% |
| Asian | 2.8% |
| Native Hawaiian or Pacific Islander | 0.3% |
50.7% of students are girls and 49.3% are boys.
Source: NCES CCD 2024-25 membership.
Students by grade
| Grade 9 | 712 |
| Grade 10 | 769 |
| Grade 11 | 722 |
| Grade 12 | 762 |
Source: NCES CCD 2024-25 membership.
Location and contact
2400 Cottonwood Way, San Antonio, TX 78253
Phone: (210)398-1250
Website: nisd.net
Locations: NCES EDGE. Map data © OpenStreetMap contributors.
Red: Brennan High School. Blue: the nearest high schools.
Nearby high schools
| School | District | Distance | Students | Per teacher | Free/reduced lunch |
|---|---|---|---|---|---|
| Taft High School | Northside ISD | 2.8 mi | 2,670 | 16.9 | 33.2% |
| Stevens High School | Northside ISD | 2.8 mi | 2,546 | 15 | 61.1% |
| Warren High School | Northside ISD | 3.4 mi | 2,542 | 16.4 | 41.8% |
| IDEA Burke College Preparatory | IDEA Public Schools | 3.6 mi | 620 | 16.9 | 66.5% |
| Alternative High School | Northside ISD | 3.7 mi | 159 | 5.6 | 49.1% |
| Sotomayor High School | Northside ISD | 4.9 mi | 2,627 | 18 | 30.6% |
| IDEA Mays College Preparatory | IDEA Public Schools | 5.0 mi | 748 | 17.3 | 70.2% |
| Harlan High School | Northside ISD | 5.1 mi | 2,778 | 17.7 | 28.6% |
Source: NCES CCD 2024-25. Distance in a straight line between NCES EDGE locations.