Islip High School
🇺🇸 Official data · 2025Islip, New York 11751 · Islip Union Free School District
#234 of 1,079 high schools in New York
#444 of 16,910 nationally
About Islip High School
Islip High School is a public high located in Islip, in the Islip Union Free School District school district of New York, United States. It caters for Grades 9–12. In 2025 it enrolled 890 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 87.0 out of 100, placing it in the top 5% of high schools in United States and 234th of 1,079 ranked high schools in New York. Its strongest component is reading proficiency (98th percentile), and its weakest is community advantage (fewer free/reduced-price lunch) (61th percentile).
Other published figures: enrollment 890.
There are 5 schools in Islip; Islip High School ranks 1st of 5 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)93%
- Reading proficiency (30%)97%
- Community advantage (fewer free/reduced-price lunch) (25%)43.3%
- Students per teacher (15%)9.9
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 Islip High School by the official sources.
- Enrollment
- 890
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 43.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 9.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 97%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 93%
- Share of tested students proficient or above (all students, all grades).
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Schools near Islip High School
Closest schools by straight-line distance, with their Success Index (US).
Islip Middle School
Islip · Public middle · Grades 6–8
601 students · 314 m away
Bay Shore Prekindergarten Center
Bay Shore · Public elementary · Grades K–K
27 students · 1.3 km away
Wing Elementary School
Islip · Public elementary · Grades K–1
373 students · 1.4 km away
Maud S Sherwood Elementary School
Islip · Public elementary · Grades 2–5
366 students · 1.5 km away
Commack Road Elementary School
Islip · Public elementary · Grades 2–5
422 students · 1.5 km away
Brook Avenue Elementary School
Bay Shore · Public elementary · Grades K–2
336 students · 2.1 km away
Bay Shore Senior High School
Bay Shore · Public high · Grades 9–12
1,862 students · 2.8 km away
John F Kennedy Elementary School
East Islip · Public elementary · Grades 3–5
416 students · 2.9 km away
Bay Shore Middle School
Bay Shore · Public middle · Grades 6–8
1,258 students · 3.0 km away
Loretta Park Elementary School
Brentwood · Public elementary · Grades 1–5
639 students · 3.3 km away
Similar schools
Public high schools in New York with a comparable Enrollment.
Brooklyn High School of the Arts
Brooklyn · Public high · Grades 9–12
890 students
Tonawanda Middle/High School
Tonawanda · Public high · Grades 6–12
891 students
Brooklyn Studio Secondary School
Brooklyn · Public high · Grades 6–12
892 students
Eastridge Senior High School
Rochester · Public high · Grades 9–12
888 students
Carthage Senior High School
Carthage · Public high · Grades 9–12
887 students
Rye High School
Rye · Public high · Grades 9–12
887 students
Frequently asked questions
Is Islip High School a good school?
Islip High School has a Success Index (US) of 87.0 out of 100 (Top 5% of high schools in United States) and ranks #234 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 Islip High School rank in New York?
Islip High School ranks #234 of 1,079 high schools in New York and #444 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Islip High School?
Islip High School had 890 students in 2025.
Is Islip High School a elementary school or a high school?
Islip High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Islip High School?
There are 10 schools within 15 km of Islip High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.