Syosset Senior High School
🇺🇸 Official data · 2025Syosset, New York 11791 · Syosset Central School District
#38 of 1,079 high schools in New York
#43 of 16,910 nationally
About Syosset Senior High School
Syosset Senior High School is a public high located in Syosset, in the Syosset Central School District school district of New York, United States. It caters for Grades 9–12. In 2025 it enrolled 2,400 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 95.7 out of 100, placing it in the top 5% of high schools in United States and 38th of 1,079 ranked high schools in New York. Its strongest component is reading proficiency (100th percentile), and its weakest is students per teacher (84th percentile).
Other published figures: enrollment 2,400.
There are 9 schools in Syosset; Syosset Senior High School ranks 2nd of 9 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)98%
- Reading proficiency (30%)99.5%
- Community advantage (fewer free/reduced-price lunch) (25%)17.6%
- Students per teacher (15%)10.6
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 Syosset Senior High School by the official sources.
- Enrollment
- 2,400
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 17.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 10.6
- 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
- 98%
- Share of tested students proficient or above (all students, all grades).
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Schools near Syosset Senior High School
Closest schools by straight-line distance, with their Success Index (US).
South Woods Middle School
Syosset · Public middle · Grades 6–8
802 students · 343 m away
Berry Hill Elementary School
Syosset · Public elementary · Grades K–5
450 students · 948 m away
Village Elementary School
Syosset · Public elementary · Grades K–5
379 students · 1.4 km away
Walt Whitman Elementary School
Woodbury · Public elementary · Grades K–5
391 students · 2.1 km away
West Side School
Syosset · Public elementary · Grades 2–6
215 students · 2.9 km away
H B Thompson Middle School
Syosset · Public middle · Grades 6–8
951 students · 2.9 km away
Willits Elementary School
Syosset · Public elementary · Grades K–5
298 students · 3.0 km away
South Grove Elementary School
Syosset · Public elementary · Grades K–5
433 students · 3.8 km away
Judy Jacobs Parkway Elementary School
Plainview · Public elementary · Grades K–4
467 students · 4.0 km away
Oakwood Primary Center
Huntington · Public elementary · Grades PK–2
643 students · 4.0 km away
Similar schools
Public high schools in New York with a comparable Enrollment.
John Adams High School
Ozone Park · Public high · Grades 9–12
2,400 students
Curtis High School
Staten Island · Public high · Grades 9–12
2,439 students
Arlington High School
Lagrangeville · Public high · Grades 9–12
2,472 students
Patchogue-Medford High School
Medford · Public high · Grades 9–12
2,487 students
Middletown High School
Middletown · Public high · Grades 9–12
2,495 students
Hillcrest High School
Jamaica · Public high · Grades 9–12
2,298 students
Frequently asked questions
Is Syosset Senior High School a good school?
Syosset Senior High School has a Success Index (US) of 95.7 out of 100 (Top 5% of high schools in United States) and ranks #38 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 Syosset Senior High School rank in New York?
Syosset Senior High School ranks #38 of 1,079 high schools in New York and #43 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Syosset Senior High School?
Syosset Senior High School had 2,400 students in 2025.
Is Syosset Senior High School a elementary school or a high school?
Syosset Senior High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Syosset Senior High School?
There are 10 schools within 15 km of Syosset Senior High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.