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SCHOOL COMMUNITY·HARBORFIELDS CENTRAL SCHOOL DISTRICT·NCES 361362001114

HARBORFIELDS HIGH SCHOOL

98 TAYLOR AVE, GREENLAWN, NY 11740 · (631) 754-5360 · Suffolk County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL923 STUDENTS
Enrollment
923
High
DISTRICT 693 · STATE 668
Student : Teacher
10.8:1
85 FTE teachers
DISTRICT 10.6:1 · STATE 11.0:1
Free / Reduced Lunch
21%
195 students
DISTRICT 18% · 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
204
Grade 10
214
Grade 11
249
Grade 12
249
Ungraded
7
Student demographics
White
60566%
DISTRICT 68% · STATE 39%
Hispanic
17119%
DISTRICT 18% · STATE 31%
Black
404%
DISTRICT 3% · STATE 16%
Asian
657%
DISTRICT 6% · STATE 10%
Two+
414%
DISTRICT 5% · STATE 4%
Native American
10%
DISTRICT 0% · STATE 1%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
47752%
Female
44648%

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
98.0%
NY avg 58.3% . -1.0pp since 2023
Math
86.0%
NY avg 57.4% . -3.0pp 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
93.2%
composite math + reading, all grades
Predicted
67.2%
based on NY schools with similar FRL share
Beats by
+25.9pp
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
923
-178 (-16%) vs 2017
Student : Teacher
10.8:1
was 15.2:1
% White
66%
was 80%
% Hispanic
19%
was 9%
% Black
4%
was 4%
% Asian
7%
was 5%
Source: NCES Common Core of Data

About HARBORFIELDS HIGH SCHOOL

As a medium-sized secondary school in GREENLAWN, New York, HARBORFIELDS HIGH SCHOOL hosts 923 students from grades 9 through 12, part of HARBORFIELDS CENTRAL SCHOOL DISTRICT. Enrollment runs roughly 38% above the state mean of about 668.

Across the 4 schools in HARBORFIELDS CENTRAL SCHOOL DISTRICT (2,773 students total), HARBORFIELDS HIGH SCHOOL accounts for its share of the district's footprint.

On the student-mix side, HARBORFIELDS HIGH SCHOOL lists that White students make up the majority at 66%. Other groups include 19% Hispanic, 7% Asian, 4% multiracial, 4% Black. That composition is broadly in line with Suffolk County as a whole.

Looking at the economic backdrop, On paper, HARBORFIELDS HIGH SCHOOL has 85 full-time-equivalent teachers, translating to a class-load average of around 10.8:1. The state averages about 11.0:1, putting this campus right in line with peers. About 21% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Suffolk County runs at roughly 39%, so the school's eligibility rate is lower than the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, HARBORFIELDS 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 67.2%; HARBORFIELDS HIGH SCHOOL posts 93.2%, +25.9 points above that line.

In the surrounding community, the surrounding county (Suffolk County) logs that median household income runs about $130,686, about 40% of the adult population holds a bachelor's degree or above, and roughly 4% of residents live below the federal poverty line. Across Suffolk County's 343 public schools (combined enrollment of about 222,439 students), HARBORFIELDS HIGH SCHOOL is one campus in the mix.

THOMAS J LAHEY ELEMENTARY SCHOOL is the nearest neighboring public school, about 0.2 miles from this campus. Counting just inside five miles, 8 other public schools cluster around HARBORFIELDS HIGH SCHOOL. On composite proficiency, HARBORFIELDS HIGH SCHOOL comes 1st of 8 in the immediate cluster, above the nearby-schools average of 70.1%.

Geographically, the school is in a commuter-belt area.

Trend over the last 7 years. HARBORFIELDS HIGH SCHOOL's enrollment has contracted 16% since 2018, when it stood at 1,101 (now 923). Over the same period, the White share fell from 80% to 66%. The student-to-teacher ratio tightened from 15.2:1 in 2018 to 10.8:1 today.

Inside the community feed, posts here usually surface around enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.

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
HARBORFIELDS HIGH SCHOOL
District
HARBORFIELDS CENTRAL SCHOOL DISTRICT
Address
98 TAYLOR AVE, GREENLAWN, NY 11740
Phone
(631) 754-5360
County
Suffolk County
Level
High
Grade range
09–12
Total enrollment
923
Teachers (FTE)
85
Student–teacher ratio
10.8:1
Free/Reduced lunch
195 (21%)
Locale
21-Suburb: Large
NCES ID
361362001114
Charter school
No
Virtual school
No

Related schools

Other schools in HARBORFIELDS CENTRAL SCHOOL DISTRICT
Other schools in GREENLAWN
Nearby schools

Frequently asked questions

About HARBORFIELDS HIGH SCHOOL
How large is HARBORFIELDS HIGH SCHOOL?
HARBORFIELDS HIGH SCHOOL enrolls approximately 923 students in grades 09-12.
Is HARBORFIELDS HIGH SCHOOL an elementary, middle, or high school?
HARBORFIELDS HIGH SCHOOL is a high school covering grades 09-12.
How many teachers does HARBORFIELDS HIGH SCHOOL have?
HARBORFIELDS HIGH SCHOOL employs 85 FTE teachers, for a student-to-teacher ratio of 10.8:1.
What is the racial breakdown of students at HARBORFIELDS HIGH SCHOOL?
At HARBORFIELDS HIGH SCHOOL, the student body is approximately 66% White, 19% Hispanic, 4% Black, 7% Asian, 4% Two or more.
Is HARBORFIELDS HIGH SCHOOL public or private?
HARBORFIELDS HIGH SCHOOL is a public K-12 school, overseen by HARBORFIELDS CENTRAL SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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