Williamsville South High School

5950 Main St, Williamsville, NY 14221

ASchola Grade
Grades
9–12
High
Students
796
Enrolled 2024–25
Students per teacher
11 : 1
Full-time teachers
District
Williamsville Central School District
Erie County

Schola Grade A · Excellent

Letter grade (A–F) · compared with 1,093 New York high schools · How we grade
Test scores87% proficient in math & reading
75thpercentile
Equity82% of low-income students proficient
74thpercentile
Attendance24% chronically absent
70thpercentile
Graduation rate94% graduate in 4 years
61stpercentile
College readinessAt least 48% take AP, IB or dual-enrollment courses
90thpercentile
Class size11 students per teacher
49thpercentile

Percentiles compare this school with other New York high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Williamsville South High School

Williamsville South High School is a public high school in Williamsville, New York, serving grades 9–12. It is part of Williamsville Central School District. The school is located in a large suburb in Erie County.

In the 2024–25 school year, 796 students were enrolled, with about 11 students for every full-time teacher. That ratio is close to the typical New York high school (10.7 students per teacher). Its Schola Grade is A (excellent), compared with 1,093 New York high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

5950 Main St
Williamsville, NY 14221
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
796 students
Students per teacher
11 to 1
AP courses offered
20
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Williamsville Central School District
County
Erie County
NCES school ID
363147004219

Schools near Williamsville South High School

All 15 schools in Williamsville →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.