Longwood High School
🇺🇸 Official data · 2025Middle Island, New York 11953 · Longwood Central School District
#262 of 1,079 high schools in New York
#571 of 16,910 nationally
About Longwood High School
Longwood High School is a public high located in Middle Island, in the Longwood Central School District school district of New York, United States. It caters for Grades 9–12. In 2025 it enrolled 2,993 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 85.8 out of 100, placing it in the top 5% of high schools in United States and 262nd of 1,079 ranked high schools in New York. Its strongest component is reading proficiency (97th percentile), and its weakest is students per teacher (61th percentile).
Other published figures: enrollment 2,993.
There are 4 schools in Middle Island; Longwood High School ranks 1st of 4 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%)96%
- Community advantage (fewer free/reduced-price lunch) (25%)35.7%
- Students per teacher (15%)13.6
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 Longwood High School by the official sources.
- Enrollment
- 2,993
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 35.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.6
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 96%
- 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 Longwood High School
Closest schools by straight-line distance, with their Success Index (US).
Longwood Junior High School
Middle Island · Public middle · Grades 7–8
1,363 students · 1.3 km away
Longwood Middle School
Middle Island · Public middle · Grades 5–6
1,304 students · 1.8 km away
C E Walters School
Yaphank · Public elementary · Grades K–4
795 students · 2.3 km away
Ridge Elementary School
Ridge · Public elementary · Grades K–4
684 students · 5.3 km away
West Middle Island School
Middle Island · Public elementary · Grades K–4
697 students · 5.4 km away
Coram Elementary School
Coram · Public elementary · Grades K–4
951 students · 5.8 km away
Eagle Elementary School
Medford · Public elementary · Grades PK–5
680 students · 6.2 km away
Sachem High School East
Farmingville · Public high · Grades 9–12
1,984 students · 7.5 km away
New Lane Memorial Elementary School
Selden · Public elementary · Grades 1–5
771 students · 7.8 km away
Patchogue-Medford High School
Medford · Public high · Grades 9–12
2,487 students · 8.0 km away
Similar schools
Public high schools in New York with a comparable Enrollment.
Bayside High School
Bayside · Public high · Grades 9–12
3,004 students
Shenendehowa High School
Clifton Park · Public high · Grades 9–12
2,968 students
Bronx High School of Science (The)
Bronx · Public high · Grades 9–12
2,953 students
New Rochelle High School
New Rochelle · Public high · Grades 9–12
3,047 students
Albany High School
Albany · Public high · Grades 9–12
2,937 students
New Dorp High School
Staten Island · Public high · Grades 9–12
3,055 students
Frequently asked questions
Is Longwood High School a good school?
Longwood High School has a Success Index (US) of 85.8 out of 100 (Top 5% of high schools in United States) and ranks #262 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 Longwood High School rank in New York?
Longwood High School ranks #262 of 1,079 high schools in New York and #571 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Longwood High School?
Longwood High School had 2,993 students in 2025.
Is Longwood High School a elementary school or a high school?
Longwood High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Longwood High School?
There are 10 schools within 15 km of Longwood High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.