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SCHOOL COMMUNITY·COMMACK UNION FREE SCHOOL DISTRICT·NCES 360813000580

COMMACK HIGH SCHOOL

1 SCHOLAR LN, COMMACK, NY 11725 · (631) 912-2100 · Suffolk County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,728 STUDENTS
Enrollment
1,728
High
DISTRICT 675 · STATE 668
Student : Teacher
12.0:1
144 FTE teachers
DISTRICT 12.0:1 · STATE 11.0:1
Free / Reduced Lunch
19%
327 students
DISTRICT 16% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
416
Grade 10
440
Grade 11
445
Grade 12
406
Ungraded
21
Student demographics
White
71%
DISTRICT 67% · STATE 39%
Hispanic
11%
DISTRICT 14% · STATE 31%
Black
2%
DISTRICT 2% · STATE 16%
Asian
13%
DISTRICT 13% · STATE 10%
Two+
2%
DISTRICT 3% · STATE 4%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
51%
Female
49%

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
96.0%
NY avg 58.3% . -1.0pp since 2023
Math
82.0%
NY avg 57.4% . -12.0pp since 2023
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
OUTPERFORMING
Top 10% of NY schools after controlling for student poverty
Actual proficiency
90.5%
composite math + reading, all grades
Predicted
68.0%
based on NY schools with similar FRL share
Beats by
+22.5pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,728
-516 (-23%) vs 2017
Student : Teacher
12.0:1
was 13.8:1
% White
71%
was 84%
% Hispanic
11%
was 6%
% Black
2%
was 1%
% Asian
13%
was 7%
Source: NCES Common Core of Data

About COMMACK HIGH SCHOOL

COMMACK HIGH SCHOOL operates as an expansive four-year high school in COMMACK, New York, operated by COMMACK UNION FREE SCHOOL DISTRICT. Current enrollment sits at 1,728 students spanning grades 9 through 12. By comparison, New York's public schools average about 668 students each, so COMMACK HIGH SCHOOL sits 159% above that benchmark.

COMMACK UNION FREE SCHOOL DISTRICT runs 8 schools in total, collectively educating 5,399 students. COMMACK HIGH SCHOOL is one of those campuses.

For racial and ethnic makeup, COMMACK HIGH SCHOOL logs that 71% of the student body identifies as White; the rest consists of 13% Asian, 11% Hispanic, 2% multiracial, 2% Black.

Looking at school resources, On paper, COMMACK HIGH SCHOOL has 144 full-time-equivalent teachers, translating to a class-load average of around 12.0:1. That figure is higher than the state norm's 11.0:1 average. An estimated 19% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. That share is lower than Suffolk County's rate of about 39%.

On a demographically-adjusted basis, COMMACK HIGH SCHOOL ranks in the top 10% of New York public schools. The BeatsExpectations model, a per-state regression of composite proficiency on FRL share, predicts schools with this student profile to land around 68.0%; COMMACK HIGH SCHOOL posts 90.5%, +22.5 points above that line.

Across the wider county, community-level numbers for Suffolk County indicate median household income runs about $130,686, roughly 40% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. In all, Suffolk County runs 343 public schools (combined enrollment of about 222,439 students), of which COMMACK HIGH SCHOOL is one.

The closest other public school is NORTH RIDGE SCHOOL, roughly 0.2 miles away. Within five miles, there are 8 other public schools. Among the 5 schools in that immediate cluster with test data (this one included), COMMACK HIGH SCHOOL ranks 1st on composite proficiency, ahead of the local average of 63.2%.

The campus sits in a suburban setting.

Five-year trend. Over the past 7-year window, the student count ticked down 23%: 2,244 students in 2018 compared to 1,728 in 2025. Over the same period, the White share ticked down from 84% to 71%. The student-to-teacher ratio narrowed from 13.8:1 in 2018 to 12.0:1 today.

On this page, members of the COMMACK HIGH SCHOOL community share and discuss open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.

Suffolk County at a glance

View full county profile
Population
1,530,146
Census ACS
Median income
$130,686
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
343
222,439 students

Quick facts

School name
COMMACK HIGH SCHOOL
District
COMMACK UNION FREE SCHOOL DISTRICT
Address
1 SCHOLAR LN, COMMACK, NY 11725
Phone
(631) 912-2100
County
Suffolk County
Level
High
Grade range
09–12
Total enrollment
1,728
Teachers (FTE)
144
Student–teacher ratio
12.0:1
Free/Reduced lunch
327 (19%)
Locale
21-Suburb: Large
NCES ID
360813000580
Charter school
No
Virtual school
No

Related schools

Other schools in COMMACK UNION FREE SCHOOL DISTRICT
Other schools in COMMACK
Nearby schools

Frequently asked questions

About COMMACK HIGH SCHOOL
How large is COMMACK HIGH SCHOOL?
COMMACK HIGH SCHOOL enrolls approximately 1,728 students in grades 09-12.
Is COMMACK HIGH SCHOOL an elementary, middle, or high school?
COMMACK HIGH SCHOOL is a high school covering grades 09-12.
What is the student-teacher ratio at COMMACK HIGH SCHOOL?
The student-to-teacher ratio at COMMACK HIGH SCHOOL is approximately 12.0:1 (144 FTE teachers).
What is the student diversity at COMMACK HIGH SCHOOL?
Student demographics at COMMACK HIGH SCHOOL are roughly 71% White, 11% Hispanic, 2% Black, 13% Asian, 2% Two or more.
What district is COMMACK HIGH SCHOOL in?
COMMACK HIGH SCHOOL is part of COMMACK UNION FREE SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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