Brentwood High School is a secondary school on Long Island in Brentwood, New York, on United States. It is one of the largest high schools in New York state. It is a part of the Brentwood Union Free School District.
Serving 4,816 students in grades 9-12, Brentwood High School ranks in the top 30% of all schools in New York for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 53% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 74% (which is higher than the New York state average of 49%).
The student-teacher ratio of 14:1 is higher than the New York state level of 11:1.
Minority enrollment is 98% of the student body (majority Hispanic), which is higher than the New York state average of 61% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 9-12
- Enrollment: 4,816 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 98%
- Graduation Rate: 79% (Btm 50% in NY)
- Overall Testing Rank: Top 30%
- Math Proficiency: 53% (Top 50%)
- Reading Proficiency: 74% (Top 20%)
- Science Proficiency: 82% (Top 50%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Brentwood High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Reading/Language Arts Proficiency
School Overview
Brentwood High School's student population of 4,816 students has grown by 5% over five school years.
The teacher population of 339 teachers has grown by 15% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
4,816 students
Total Classroom Teachers
339 teachers
School Calendar
School Rankings
Brentwood High School ranks within the top 30% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Brentwood High School is 0.22, which is less than the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1229 out of 4346 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
53%
52%
Reading/Language Arts Test Scores (% Proficient)
74%
49%
Science Test Scores (% Proficient)
82%
78%
Student-Teacher Ratio
14:1
11:1
Asian
2%
10%
Hispanic
88%
31%
Black
7%
15%
White
2%
39%
Two or more races
1%
4%
All Ethnic Groups
Graduation Rate
79%
87.2%
Chronically Absent Students
(22-23)24.6%
34.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
79%
55%
Eligible for Reduced Lunch
2%
2%
School Statewide Testing
School District Name
Sports
Colors
White, Green
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Frequently Asked Questions
What is Brentwood High School's ranking?
Brentwood High School is ranked #1229 out of 4,346 schools, which ranks it among the top 30% of public schools in New York.
What percent of students have achieved state testing proficiency in math and reading?
53% of students have achieved math proficiency (compared to the 52% NY state average), while 74% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Brentwood High School?
The graduation rate of Brentwood High School is 79%, which is lower than the New York state average of 87.2%.
How many students attend Brentwood High School?
4,816 students attend Brentwood High School.
What is the racial composition of the student body?
88% of Brentwood High School students are Hispanic, 7% of students are Black, 2% of students are Asian, 2% of students are White, and 1% of students are Two or more races.
What is the student-teacher ratio of Brentwood High School?
Brentwood High School has a student ration of 14:1, which is higher than the New York state average of 11:1.
What grades does Brentwood High School offer ?
Brentwood High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Brentwood High School part of?
Brentwood High School is part of Brentwood Union Free School District.
School Reviews
5 10/10/2025
Excellent teachers, facilities and a myraid of programs.
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