South Side High School is the only public high school in the village of Rockville Centre, New York. South Side, a part of the Rockville Centre School District, serves grades 9 through 12 and boasts a ...
Serving 959 students in grades 9-12, South Side High School ranks in the top 50% of all schools in New York for overall test scores (math proficiency is top 1%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 56% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is ≥50% (which is lower than the New York state average of 62%).
The student-teacher ratio of 10:1 is lower than the New York state level of 11:1.
Minority enrollment is 33% of the student body (majority Hispanic), which is lower than the New York state average of 61% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 959 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 33%
- Graduation Rate: ≥99% (Top 1% in NY)
- Math Proficiency: 56% (Top 50%)
- Reading Proficiency: ≥50% (Top 1%)
- Science Proficiency: 98% (Top 5%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
South Side High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Science Proficiency
Graduation Rate
School Overview
South Side High School's student population of 959 students has declined by 8% over five school years.
The teacher population of 94 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
959 students
Total Classroom Teachers
94 teachers
Year Founded
1892
Colors
Red, Blue
School Calendar
Last Day of School
Sat. Jun 27, 2026
School Rankings
The diversity score of South Side High School is 0.51, which is less than the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.
Math Test Scores (% Proficient)
56%
52%
Reading/Language Arts Test Scores (% Proficient)
(20-21)≥50%
62%
Science Test Scores (% Proficient)
98%
78%
Student-Teacher Ratio
10:1
11:1
American Indian
n/a
1%
Asian
3%
10%
Hispanic
18%
31%
Black
9%
15%
White
67%
39%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
≥99%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
19%
55%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Notes
- School Mascot: Cyclones
Frequently Asked Questions
What percent of students have achieved state testing proficiency in math and reading?
56% of students have achieved math proficiency (compared to the 52% NY state average), while ≥50% of students have achieved reading proficiency (compared to the 62% NY state average).
What is the graduation rate of South Side High School?
The graduation rate of South Side High School is 99%, which is higher than the New York state average of 87%.
How many students attend South Side High School?
959 students attend South Side High School.
What is the racial composition of the student body?
67% of South Side High School students are White, 18% of students are Hispanic, 9% of students are Black, 3% of students are Asian, and 3% of students are Two or more races.
What is the student-teacher ratio of South Side High School?
South Side High School has a student ration of 10:1, which is lower than the New York state average of 11:1.
What grades does South Side High School offer ?
South Side High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is South Side High School part of?
South Side High School is part of Rockville Centre Union Free School District.
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