Serving 3,052 students in grades 9-12, Brennan High School ranks in the bottom 50% of all schools in Texas for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 30% (which is lower than the Texas state average of 41%). The percentage of students achieving proficiency in reading/language arts is 58% (which is higher than the Texas state average of 51%).
The student:teacher ratio of 17:1 is higher than the Texas state level of 14:1.
Minority enrollment is 84% of the student body (majority Hispanic), which is higher than the Texas state average of 75% (majority Hispanic).
Quick Stats (2025)
Grades: 9-12
Enrollment: 3,052 students
Student:Teacher Ratio: 17:1
Minority Enrollment: 84%
Graduation Rate
: ≥99% (Top 1% in TX)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 30% (Btm 50%)
Reading Proficiency
: 58% (Top 30%)
Science Proficiency
: 63% (Top 20%)
Source: National Center for Education Statistics (NCES), TX Dept. of Education
Brennan High School ranks within the bottom 50% of all 8,188 schools in Texas (based off of combined math and reading proficiency testing data).
The diversity score of Brennan High School is 0.55, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Brennan High School is ranked #4135 out of 8,188 schools, which ranks it among the bottom 50% of public schools in Texas.
What schools are Brennan High School often compared to?
Brennan High Schoolis often viewed alongside schools like Brandeis High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30% of students have achieved math proficiency (compared to the 41% TX state average), while 58% of students have achieved reading proficiency (compared to the 51% TX state average).
What is the graduation rate of Brennan High School?
The graduation rate of Brennan High School is 99%, which is higher than the Texas state average of 90%.
How many students attend Brennan High School?
3,052 students attend Brennan High School.
What is the racial composition of the student body?
64% of Brennan High School students are Hispanic, 16% of students are White, 12% of students are Black, 5% of students are Two or more races, and 3% of students are Asian.
What is the student:teacher ratio of Brennan High School?
Brennan High School has a student ration of 17:1, which is higher than the Texas state average of 14:1.
What grades does Brennan High School offer ?
Brennan High School offers enrollment in grades 9-12
What school district is Brennan High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 3,052 students
Student:Teacher Ratio: 17:1
Minority Enrollment: 84%
Graduation Rate
: ≥99% (Top 1%)
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 30% (Btm 50%)
Reading Proficiency
: 58% (Top 30%)
Science Proficiency
: 63% (Top 20%)
Source: National Center for Education Statistics (NCES), TX Dept. of Education
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