Average
#2026 of 4,739 schools in NY
Top 43% in state
Williamsville South High School
High School · WILLIAMSVILLE CENTRAL SCHOOL DISTRICT
5950 MAIN ST, Williamsville, NY 14221
Enrollment
823
Student-Teacher
11.4:1
Score
6.8
Grades
9th – 12th
Enrollment
823
Student-Teacher
11.4:1
Score
6.8
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Williamsville
#7 of 11
public schools
New York high schools
#525 of 1,160
In district
#6 of 13
WILLIAMSVILLE CENTRAL SCHOOL DISTRICT
Academic performance
9.1 / 10
Exceptional
About Williamsville South High School
Williamsville South High School serves 823 students in grades 9-12 in this well-established suburban community in Erie County. With 72 full-time equivalent teachers, the school maintains an intimate 11.4:1 student-teacher ratio that allows for more personalized attention in the classroom. Academically, Williamsville South demonstrates strong performance, earning a 7.3 out of 10 MySchoolScout rating and ranking in the 78th percentile among New York's high schools at #1032 out of 4,758 schools statewide.
The school's academic strength is particularly evident in mathematics, where an impressive 98% of students perform at proficient or above levels across grade levels. English Language Arts results show 88% of students achieving proficiency or better, reflecting solid literacy skills throughout the student body. The school draws from a highly educated community where 56% of residents hold bachelor's degrees or higher, and the median household income reaches $96,266.
This affluent suburban setting, with a low poverty rate of just 6.8%, provides a stable foundation for learning. Located on Main Street in Williamsville's large suburban area, the school benefits from being part of a thriving community with median home values around $279,800.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Williamsville South High School — Students at Williamsville South High School score 88% proficient, which is above what's typical for similar communities (expected: 66%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
26.9%
Students qualifying for federal meal assistance
Test Scores NY EDFACTS (2020-21)
Based on 4 test records from NY state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 4.0/10.
How Williamsville South High School Compares
See how Williamsville South High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 97% (2019) to 98% (2021). Reading/ELA proficiency has declined from 98% (2019) to 77% (2021).
Location
5950 MAIN ST, Williamsville, NY 14221
Nearby Alternatives
Families considering Williamsville South High School may also want to explore other high schools in the area. WILLIAMSVILLE EAST HIGH SCHOOL (rated 7.5/10, 2.9 miles away, in nearby East Amherst), which scores slightly higher. Additionally, MARYVALE HIGH SCHOOL (rated 6.2/10, 2.3 miles away, in nearby Cheektowaga), with a comparable rating. For more schools in Williamsville, see our Williamsville schools guide .
Nearby Schools
20 within 3.4 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 14221 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$101,275
Median Home Value
$298,500
Median Rent
$1,560/mo
Population
55,153
College Educated
57%
Homeownership
74.2%
Avg Commute
19.4 min
Poverty Rate
6.8%
Median Age
47.4
Community Profile
The community surrounding Williamsville South High School has a median household income of $101,275. It is a well-educated community where 57% of adults hold a bachelor's degree or higher. The median home value in the area is $298,500, with a median rent of $1,560/month. The local poverty rate of 6.8% is relatively low. Residents enjoy a short average commute of 19 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| CHITTENANGO HIGH SCHOOL Chittenango, NY | 6.8 |
| GLENS FALLS SENIOR HIGH SCHOOL Glens Falls, NY | 6.8 |
| HIGH SCHOOL-CONSTRUCTION TRADES ENGINEERING & ARCHITECTURE Ozone Park, NY | 6.8 |
| INSTITUTE OF TECHNOLOGY AT SYRACUSE CENTRAL Syracuse, NY | 6.8 |
| LABORATORY SCHOOL OF FINANCE AND TECHNOLOGY (THE): X223 Bronx, NY | 6.8 |
| LAKE SHORE SENIOR HIGH SCHOOL Angola, NY | 6.8 |
Frequently Asked Questions
Common questions about Williamsville South High School
What grades does Williamsville South High School serve?
Williamsville South High School serves students in grades 9th through 12th.
How many students attend Williamsville South High School?
Williamsville South High School has an enrollment of approximately 823 students.
What is the student-teacher ratio at Williamsville South High School?
The student-teacher ratio at Williamsville South High School is 11.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Williamsville South High School rank in NY?
Williamsville South High School is ranked #2026 out of 4,739 schools in NY.
What is Williamsville South High School's MySchoolScout rating?
Williamsville South High School has a composite rating of 6.8 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Williamsville South High School?
Based on the most recent state assessment data, Williamsville South High School has 97.5% math proficiency and 87.5% reading/ELA proficiency.
Is Williamsville South High School a charter school?
No, Williamsville South High School is not a charter school. It is a traditional public school operated by the local school district.
Is Williamsville South High School a Title I school?
No, Williamsville South High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Williamsville South High School?
26.9% of students at Williamsville South High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 823
- Student-Teacher Ratio
- 11.4:1
- Teachers (FTE)
- 72
- Free/Reduced Lunch
- 26.9%
- Type
- regular
- Setting
- Large Suburb
- County
- Erie County
- Phone
- (716) 626-8200
- Data Year
- 2023–2024
Resources & Links
District
WILLIAMSVILLE CENTRAL SCHOOL DISTRICT- District Enrollment
- 9,731
- Schools in District
- 13
- Per-Pupil Spending
- $19,892
- District Rank
- #6 of 13
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
- Best Public Schools in New York 2026: Top Districts from NYC to the Suburbsbest schools
- Best Schools in New York, NY — 2026 Rankingsbest schools
- Best States for Public Schools in 2026: A Complete Rankingdata insights
- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Student-Teacher Ratio by State: Complete 2026 Rankingsdata insights
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