Harborfields High School, Greenlawn NY

Original Research by School Decision on Harborfields High School

Harborfields High School is a mid-sized four-year public high school on Long Island's North Shore, in the hamlet of Greenlawn within the Harborfields Central School District. The school sits on a campus setting separate from the hamlet's downtown core, where the public library and LIRR station anchor civic life.

The student body is predominantly white, with a meaningful presence of Hispanic and Asian students, smaller representation from Black and multiracial students, and very limited representation from other groups. About a fifth of students qualify for free or reduced-price lunch, indicating a school population drawn from mixed economic circumstances across the district. State assessment data and graduation rates were not available, so the school's academic attainment is not visible from the data provided. This absence, combined with the high school's grade band and the general patterns in New York public reporting, likely reflects gaps in how data flows to public sources rather than an indictment of performance. A parent interested in test scores, proficiency rates, or completion outcomes would want to seek those directly from the school or district.

The district itself is engaged in substantive long-term change. A capital referendum approved in January 2024 funded multi-phase facility upgrades across all four buildings. At the high school specifically, the work includes replacement of auditorium seating, installation of stadium field lights, new air conditioning in the south gymnasium, replacement of two tennis courts and the outdoor track, and renovation of student bathrooms. These projects are phased through summer 2025 and beyond, so families enrolling now will see construction activity and evolving facilities over time. On the inclusion side, Harborfields became the first district in Suffolk County to recognize Eid al-Fitr and Eid al-Adha as official school holidays, a calendar change that signals responsiveness to Muslim families and reflects a deliberate posture on religious observance.

Greenlawn itself is a built-out, quiet residential hamlet on larger property lots with tree-lined streets. The median home listing price in the area hovers around the mid-range for Long Island, and the housing market shows modest inventory and steady pricing. The area is car-dependent; residents access Huntington Village a few miles away for denser shopping and dining. The LIRR Greenlawn station offers commute access to Huntington and New York City. BAE Systems, with a facility on Pulaski Road, is the notable local employer and has publicly reported recent program growth.

The school enrollment is stable at just under two dozen students per grade, giving it a traditional high school size for the region. Without visibility into course offerings, AP course breadth, dual-credit pathways, or specific program design, a parent considering this school would want to review those details on the school website or in direct conversation with counselors. The school's role in a district undergoing facilities investment and showing attentiveness to cultural inclusion suggests a stable institutional environment, though academic programming details remain to be explored.

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Academic performance

How students graduate and prepare for what comes next.

Graduation rate (ACGR)

96.0%Cohort of 227 students · Class of 2021

How this school compares to all schools in this state

Each dot is one school’s SY 2020-21 graduation rate, binned by integer rate. Taller columns mean more schools at that rate. This school is highlighted.

1,253 schools plotted. 14 additional schools' rates are federally suppressed and not shown. Data: EDFacts SY 2020-21.

Advanced Placement & IB

23 subjects offered · 2023-24

Each card is one AP or IB subject. The headline number is the share of students scoring 3 or higher on the exam — the threshold for college credit at most universities. The bar below each rate shows the underlying distribution across performance levels.

Score:12· no credit345· extremely well qualified

Math and Computer Science

Calculus AB

32 tested

75.0%

scored 3 or higher

Calculus BC

8 tested

100.0%

scored 3 or higher

Computer Science A

36 tested

75.0%

scored 3 or higher

Statistics

26 tested

92.3%

scored 3 or higher

Sciences

Biology

87 tested

79.3%

scored 3 or higher

Chemistry

53 tested

83.0%

scored 3 or higher

Environmental Science

134 tested · Grade 10

74.6%

scored 3 or higher

Physics 1

30 tested

46.7%

scored 3 or higher

Physics 2

14 tested

50.0%

scored 3 or higher

Physics C: Electricity and Magnetism

24 tested

50.0%

scored 3 or higher

Physics C: Mechanics

23 tested

78.3%

scored 3 or higher

History and Social Sciences

Microeconomics

49 tested

59.2%

scored 3 or higher

Psychology

89 tested

80.9%

scored 3 or higher

U.S. History

128 tested

88.3%

scored 3 or higher

World Languages and Cultures

Italian Language and Culture

14 tested

85.7%

scored 3 or higher

Spanish Language and Culture

29 tested · Grade 10

79.3%

scored 3 or higher

Arts

Music Theory

8 tested

0.0%

scored 3 or higher

Studio Art Drawing

6 tested

0.0%

scored 3 or higher

Other

Language and Comp

121 tested

86.8%

scored 3 or higher

Literature and Comp

42 tested

90.5%

scored 3 or higher

Studio Art 2d Design

9 tested

88.9%

scored 3 or higher

U S Government and Politics

55 tested

98.2%

scored 3 or higher

World History

95 tested · Grade 10

88.4%

scored 3 or higher

New York Regents Exams

4 courses reported · 2024-25

End-of-course exams required for a New York Regents diploma. Each row shows the cohort size and the share of students scoring at the proficient level or higher.

Course	Students tested	% proficient
Ela	255	98.0%
Math	248	99.0%
Social Studies	216	93.0%
Science	196	96.0%

Graduation rate (ACGR) reflects the federally published Adjusted Cohort Graduation Rate for the most recent year available. We refresh this data annually at the close of each academic year in June. The federal source publishes a banded rate (for example, "90-94%") instead of an exact number for cohorts small enough to risk identifying individual students. The state distribution chart, where shown, plots every school in the state with a published rate or band; schools whose rate is federally suppressed are excluded. Where the federal source publishes a band rather than an exact rate, the school is placed within its band using a stable, ID-derived offset, so its position is consistent across visits.