Harborfields High School
🇺🇸 Official data · 2025Greenlawn, New York 11740 · Harborfields Central School District
#50 of 1,079 high schools in New York
#56 of 16,910 nationally
About Harborfields High School
Harborfields High School is a public high located in Greenlawn, in the Harborfields Central School District school district of New York, United States. It caters for Grades 9–12. In 2025 it enrolled 923 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 94.8 out of 100, placing it in the top 5% of high schools in United States and 50th of 1,079 ranked high schools in New York. Its strongest component is math proficiency (100th percentile), and its weakest is students per teacher (82th percentile).
Other published figures: enrollment 923.
There are 3 schools in Greenlawn; Harborfields High School ranks 1st of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)99.5%
- Reading proficiency (30%)99.5%
- Community advantage (fewer free/reduced-price lunch) (25%)21.1%
- Students per teacher (15%)10.9
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Harborfields High School by the official sources.
- Enrollment
- 923
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 21.1%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 10.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 99.5%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 99.5%
- Share of tested students proficient or above (all students, all grades).
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Schools near Harborfields High School
Closest schools by straight-line distance, with their Success Index (US).
Thomas J Lahey Elementary School
Greenlawn · Public elementary · Grades 3–5
602 students · 364 m away
Oldfield Middle School
Greenlawn · Public middle · Grades 6–8
627 students · 1.9 km away
Northport Senior High School
Northport · Public high · Grades 9–12
1,476 students · 2.0 km away
Pulaski Road School
East Northport · Public elementary · Grades K–4
351 students · 2.0 km away
Elwood Middle School
Elwood · Public middle · Grades 6–8
425 students · 2.1 km away
Elwood/John Glenn High School
Elwood · Public high · Grades 9–12
677 students · 2.4 km away
James H Boyd Elementary School
Huntington · Public elementary · Grades 3–5
421 students · 2.6 km away
Washington Drive Primary School
Centerport · Public elementary · Grades K–2
621 students · 3.0 km away
Washington School
Huntington Station · Public elementary · Grades K–3
335 students · 3.1 km away
Maplewood Intermediate School
Huntington Station · Public elementary · Grades 3–5
594 students · 3.3 km away
Similar schools
Public high schools in New York with a comparable Enrollment.
Mohonasen Senior High School
Schenectady · Public high · Grades 9–12
924 students
Eastchester Senior High School
Eastchester · Public high · Grades 9–12
922 students
Pittsford-Mendon High School
Pittsford · Public high · Grades 9–12
919 students
Frederick Olmsted #156
Buffalo · Public high · Grades 5–12
928 students
Starpoint High School
Lockport · Public high · Grades 9–12
929 students
Wallkill Senior High School
Wallkill · Public high · Grades 9–12
930 students
Frequently asked questions
Is Harborfields High School a good school?
Harborfields High School has a Success Index (US) of 94.8 out of 100 (Top 5% of high schools in United States) and ranks #50 of 1,079 in New York. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Harborfields High School rank in New York?
Harborfields High School ranks #50 of 1,079 high schools in New York and #56 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Harborfields High School?
Harborfields High School had 923 students in 2025.
Is Harborfields High School a elementary school or a high school?
Harborfields High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Harborfields High School?
There are 10 schools within 15 km of Harborfields High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.