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SCHOOL COMMUNITY·WILLIAMSVILLE CENTRAL SCHOOL DISTRICT·NCES 363147004219

WILLIAMSVILLE SOUTH HIGH SCHOOL

5950 MAIN ST, WILLIAMSVILLE, NY 14221 · (716) 626-8200 · Erie County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL796 STUDENTS
Enrollment
796
High
DISTRICT 1,014 · STATE 668
Student : Teacher
11.0:1
72 FTE teachers
DISTRICT 11.5:1 · STATE 11.0:1
Free / Reduced Lunch
28%
219 students
DISTRICT 22% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
157
Grade 10
216
Grade 11
211
Grade 12
211
Ungraded
1
Student demographics
White
59174%
DISTRICT 70% · STATE 39%
Hispanic
385%
DISTRICT 5% · STATE 31%
Black
527%
DISTRICT 4% · STATE 16%
Asian
678%
DISTRICT 16% · STATE 10%
Two+
456%
DISTRICT 6% · STATE 4%
Pacific Islander
30%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
40751%
Female
38949%

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
94.0%
NY avg 58.3% . +0.0pp since 2023
Math
85.0%
NY avg 57.4% . -12.0pp since 2023
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
OUTPERFORMING
Top 10% of NY schools after controlling for student poverty
Actual proficiency
88.5%
composite math + reading, all grades
Predicted
64.9%
based on NY schools with similar FRL share
Beats by
+23.6pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
796
-178 (-18%) vs 2017
Student : Teacher
11.0:1
was 14.8:1
% White
74%
was 79%
% Hispanic
5%
was 6%
% Black
7%
was 5%
% Asian
8%
was 6%
Source: NCES Common Core of Data

About WILLIAMSVILLE SOUTH HIGH SCHOOL

As a middle-of-the-pack senior high in WILLIAMSVILLE, New York, WILLIAMSVILLE SOUTH HIGH SCHOOL teaches 796 students from grades 9 through 12, one of the schools within WILLIAMSVILLE CENTRAL SCHOOL DISTRICT.

WILLIAMSVILLE CENTRAL SCHOOL DISTRICT runs 13 schools in total, collectively educating 9,598 students. WILLIAMSVILLE SOUTH HIGH SCHOOL is one of those campuses.

For racial and ethnic makeup, WILLIAMSVILLE SOUTH HIGH SCHOOL reports that 74% of the student body identifies as White. Beyond that, the school shows 8% Asian, 7% Black, 6% multiracial, 5% Hispanic. Compared to Erie County overall, the school's racial mix sits in roughly the same range.

On the resource side, Staff filings list 72 full-time-equivalent teachers, which works out to roughly 11.0:1 students per teacher. The state averages about 11.0:1, putting this campus right in line with peers. An estimated 28% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Erie County (around 51%), the school's rate is meaningfully below typical.

On a residual basis (actual vs predicted given the student mix), WILLIAMSVILLE SOUTH HIGH SCHOOL sits in the top 10% of New York schools after the BeatsExpectations adjustment. Predicted proficiency for the school's FRL share is roughly 64.9%; actual is 88.5%, +23.6 points clear of the demographic baseline.

In the broader community, community-level numbers for Erie County indicate median household earnings sit near $72,839, roughly 38% of adults have completed at least a four-year degree, and roughly 9% of residents live below the federal poverty line. In all, Erie County runs 226 public schools (combined enrollment of about 122,519 students), of which WILLIAMSVILLE SOUTH HIGH SCHOOL is one.

Nearest neighbor: MILL MIDDLE SCHOOL, around 0.9 miles off. Counting just inside five miles, 8 other public schools cluster around WILLIAMSVILLE SOUTH HIGH SCHOOL. On composite proficiency, WILLIAMSVILLE SOUTH HIGH SCHOOL comes 1st of 9 in the immediate cluster, higher than the nearby-schools average of 68.1%.

The campus sits in an outer-ring setting.

Five-year trend. Over the past 7-year window, the student count declined 18%: 974 students in 2018 compared to 796 in 2025. White enrollment moved from 79% to 74% across the same window. Class-load math has pulled in: from 14.8:1 in 2018 to 11.0:1 in 2025.

In the discussion threads here, the feed for WILLIAMSVILLE SOUTH HIGH SCHOOL typically covers school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.

Erie County at a glance

View full county profile
Population
950,622
Census ACS
Median income
$72,839
Household, ACS
Bachelor's+
38%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
226
122,519 students

Quick facts

School name
WILLIAMSVILLE SOUTH HIGH SCHOOL
District
WILLIAMSVILLE CENTRAL SCHOOL DISTRICT
Address
5950 MAIN ST, WILLIAMSVILLE, NY 14221
Phone
(716) 626-8200
County
Erie County
Level
High
Grade range
09–12
Total enrollment
796
Teachers (FTE)
72
Student–teacher ratio
11.0:1
Free/Reduced lunch
219 (28%)
Locale
21-Suburb: Large
NCES ID
363147004219
Charter school
No
Virtual school
No

Related schools

Other schools in WILLIAMSVILLE CENTRAL SCHOOL DISTRICT
Other schools in WILLIAMSVILLE
Nearby schools

Frequently asked questions

About WILLIAMSVILLE SOUTH HIGH SCHOOL
How many students attend WILLIAMSVILLE SOUTH HIGH SCHOOL?
WILLIAMSVILLE SOUTH HIGH SCHOOL enrolls approximately 796 students in grades 09-12.
What age range does WILLIAMSVILLE SOUTH HIGH SCHOOL serve?
WILLIAMSVILLE SOUTH HIGH SCHOOL serves students from grade 09 through grade 12.
How many teachers does WILLIAMSVILLE SOUTH HIGH SCHOOL have?
WILLIAMSVILLE SOUTH HIGH SCHOOL employs 72 FTE teachers, for a student-to-teacher ratio of 11.0:1.
What is the student diversity at WILLIAMSVILLE SOUTH HIGH SCHOOL?
Student demographics at WILLIAMSVILLE SOUTH HIGH SCHOOL are roughly 74% White, 5% Hispanic, 7% Black, 8% Asian, 6% Two or more.
Who oversees WILLIAMSVILLE SOUTH HIGH SCHOOL?
WILLIAMSVILLE SOUTH HIGH SCHOOL is overseen by WILLIAMSVILLE CENTRAL SCHOOL DISTRICT in Erie County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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