Serving 1,815 students in grades 9-12, Commack High School ranks in the top 5% of all schools in New York for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 85% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 97% (which is higher than the New York state average of 49%).
The student-teacher ratio of 13:1 is higher than the New York state level of 11:1.
Minority enrollment is 27% of the student body (majority Asian and Hispanic), which is lower than the New York state average of 60% (majority Hispanic).
Quick Facts (2025)
- Grades: 9-12
- Enrollment: 1,815 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 27%
- Graduation Rate: ≥99% (Top 1% in NY)
- Overall Testing Rank: Top 5%
- Math Proficiency: 85% (Top 10%)
- Reading Proficiency: 97% (Top 1%)
- Science Proficiency: 95% (Top 20%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Commack High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Commack High School's student population of 1,815 students has declined by 17% over five school years.
The teacher population of 144 teachers has declined by 13% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,815 students
Gender %
Total Classroom Teachers
144 teachers
School Calendar
First Day of School
Thu. Sep 4, 2025
Last Day of School
Sat. Jun 27, 2026
School Rankings
Commack High School ranks within the top 5% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Commack High School is 0.44, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#82 out of 4346 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
85%
52%
Reading/Language Arts Test Scores (% Proficient)
97%
49%
Science Test Scores (% Proficient)
95%
78%
Student-Teacher Ratio
13:1
11:1
American Indian
n/a
1%
Asian
12%
10%
Hispanic
11%
30%
Black
2%
16%
White
73%
40%
Hawaiian
n/a
n/a
Two or more races
2%
3%
All Ethnic Groups
Graduation Rate
≥99%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
15%
54%
Eligible for Reduced Lunch
1%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Frequently Asked Questions
What is Commack High School's ranking?
Commack High School is ranked #82 out of 4,346 schools, which ranks it among the top 5% of public schools in New York.
What percent of students have achieved state testing proficiency in math and reading?
85% of students have achieved math proficiency (compared to the 52% NY state average), while 97% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Commack High School?
The graduation rate of Commack High School is 99%, which is higher than the New York state average of 87%.
How many students attend Commack High School?
1,815 students attend Commack High School.
What is the racial composition of the student body?
73% of Commack High School students are White, 12% of students are Asian, 11% of students are Hispanic, 2% of students are Black, and 2% of students are Two or more races.
What is the student-teacher ratio of Commack High School?
Commack High School has a student ration of 13:1, which is higher than the New York state average of 11:1.
What grades does Commack High School offer ?
Commack High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Commack High School part of?
Commack High School is part of Commack Union Free School District.
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