South Side High School
🇺🇸 Official data · 2025Rockville Centre, New York 11570 · Rockville Centre Union Free School District
#44 of 1,079 high schools in New York
#49 of 16,910 nationally
About South Side High School
South Side High School is a public high located in Rockville Centre, in the Rockville Centre Union Free School District school district of New York, United States. It caters for Grades 9–12. In 2025 it enrolled 959 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 95.3 out of 100, placing it in the top 5% of high schools in United States and 44th of 1,079 ranked high schools in New York. Its strongest component is reading proficiency (100th percentile), and its weakest is students per teacher (86th percentile).
Other published figures: enrollment 959.
There are 6 schools in Rockville Centre; South Side High School ranks 1st of 6 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%)20.6%
- Students per teacher (15%)10.3
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 South Side High School by the official sources.
- Enrollment
- 959
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 20.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 10.3
- 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 South Side High School
Closest schools by straight-line distance, with their Success Index (US).
Wilson School
Rockville Centre · Public elementary · Grades K–5
387 students · 368 m away
Plaza Elementary School
Baldwin · Public elementary · Grades K–5
429 students · 613 m away
Lenox Elementary School
Baldwin · Public elementary · Grades K–5
261 students · 1.1 km away
Baldwin Senior High School
Baldwin · Public high · Grades 9–12
1,470 students · 1.3 km away
Brookside Elementary School
Baldwin · Public elementary · Grades K–5
236 students · 1.4 km away
Hewitt School
Rockville Centre · Public elementary · Grades K–5
465 students · 1.5 km away
William S Covert School
South Hempstead · Public elementary · Grades K–5
286 students · 1.7 km away
School 5
Oceanside · Public elementary · Grades 1–6
452 students · 2.0 km away
South Side Middle School
Rockville Centre · Public middle · Grades 6–9
806 students · 2.0 km away
Grand Avenue Elementary School
North Baldwin · Public elementary · Grades PK–5
306 students · 2.1 km away
Similar schools
Public high schools in New York with a comparable Enrollment.
North Tonawanda High School
North Tonawanda · Public high · Grades 9–12
961 students
In-Tech Academy (MS/HS 368)
Bronx · Public high · Grades 6–12
953 students
Burnt Hills-Ballston Lake Senior High School
Burnt Hills · Public high · Grades 9–12
965 students
Leon M Goldstein High School for the Sciences
Brooklyn · Public high · Grades 9–12
952 students
Lakeland High School
Shrub Oak · Public high · Grades 9–12
966 students
Westhampton Beach Senior High School
Westhampton Beach · Public high · Grades 9–12
970 students
Frequently asked questions
Is South Side High School a good school?
South Side High School has a Success Index (US) of 95.3 out of 100 (Top 5% of high schools in United States) and ranks #44 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 South Side High School rank in New York?
South Side High School ranks #44 of 1,079 high schools in New York and #49 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend South Side High School?
South Side High School had 959 students in 2025.
Is South Side High School a elementary school or a high school?
South Side High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near South Side High School?
There are 10 schools within 15 km of South Side High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.