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Excellent

#645 of 4,742 schools in NY

Top 14% in state

Williamsville South High School

High School · Williamsville Central School District · Williamsville, NY

A Williamsville Central School District high school where students score 28 points above what's typical for similar communities.

5950 MAIN ST, Williamsville, NY 14221

  • Math 98% proficient (2021)
  • Reading 77% proficient (2021)
  • 94.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress7.9Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data13
Annual Change-0.38 pts/yr
Data Period2009–2021
TrendStable
Academics9.3Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency98% (2021 EdFacts)
Reading/ELA Proficiency77% (2021 EdFacts)
Overall Proficiency88% (2021 EdFacts, Math+ELA)
Expected (poverty-adj.)60% (model expectation from 2021 EdFacts)
vs. Expected+27.8 pts
Adjusted Percentile89th
College Readiness8.5Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate94%
AP Participation40.1%
IB ProgramNo
Resources & Environment6.3Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio11.4:1
District spending per student$19,892
Chronic Absenteeism25.4%

Students at Williamsville South High School score 88% proficient, which is above what's typical for similar communities (expected: 60%).

How we calculate scores →

2021 EdFacts proficiency

Most recent published year. School vs. NY average.

Math Proficiency98%(2021 EdFacts)
School
State
Not reported(2021 EdFacts)
ELA Proficiency77%(2021 EdFacts)
School
State
Not reported(2021 EdFacts)

Trend

↓ Declining

Proficiency has fallen 10 points since 2018, to 88% in 2021, across a 13-year record (2009–2021).

Show all 13 years
2009
Math
100%
ELA
98%
2010
Math
100%
ELA
97%
2011
Math
98%
ELA
98%
2012
Math
100%
ELA
100%
2013
Math
82%
ELA
85%
2014
Math
100%
ELA
98%
2015
Math
100%
ELA
100%
2016
Math
98%
ELA
97%
2017
Math
98%
ELA
96%
2018
Math
97%
ELA
98%
2019
Math
97%
ELA
98%
2020*
Math
98%
ELA
77%
2021*
Math
98%
ELA
77%

Multi-year averages used by the rating model: math 97% (multi-year average, 2009-2021) · reading/ELA 94% (multi-year average, 2009-2021)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 26 test records from NY state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

26.9%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Williamsville South High School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 56Somewhat Walkable
  • Bike 44Somewhat Bikeable
  • County Safety: Low64/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details

Source period: 2024. A newer release may be available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$101,275

Median home value

$298,500

Median rent

$1,560/mo

College educated

57%

Homeownership

74.2%

Poverty rate

6.8%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 14221; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

AP/IB Programs4AP courses offered
40.1% participation·State avg: 2.4 AP courses·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses5of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Christian Central AcademyPrivate · tuition7.8privateK–120.2 mi233Compare →
Gateway-longview Lynde SchoolPrivate · tuition8.8privatePK–120.8 mi106Compare →
Maryvale High SchoolEnrollment path unverified7.59–122.3 mi647Compare →
Williamsville East High SchoolEnrollment path unverified8.59–122.9 mi973Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Williamsville Central School District

Schools in district
13
Rank in district
#4 of 13
District spending per student
$19,892NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
4.5%Census SAIPE · 2024

Williamsville South High School is listed in WILLIAMSVILLE CENTRAL SCHOOL DISTRICT; a district label does not verify attendance for an address.

About Williamsville South High School

Williamsville South High School is a public high school in Williamsville, NY, part of Williamsville Central School District, serving approximately 823 students in grades 9th-12th with a 11.4:1 student-teacher ratio. It holds a MySchoolScout rating of 8.1 out of 10 and ranks #645 of 4,742 schools in NY. State assessment records show 97% math proficiency (multi-year average, 2009-2021) and 94% reading/ELA proficiency (multi-year average, 2009-2021).

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 ranks #645 of 4,742 schools in NY.

What is Williamsville South High School's MySchoolScout rating?

Williamsville South High School has a current MySchoolScout rating of 8.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Williamsville South High School?

Based on loaded state assessment records, Williamsville South High School has 97% math proficiency (multi-year average, 2009-2021) and 94% reading/ELA proficiency (multi-year average, 2009-2021).

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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
823
Student-Teacher Ratio
11.4:1
Teachers (FTE)
72
Type
regular
Setting
Large Suburb
County
Erie County
Chronic Absenteeism (SY 2022-23)
25.4%
4-Year Graduation
94.0%
Area population (ZIP 14221)
55,153
Area average commute
19.4 min
Area median age
47.4
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2021 EdFacts · Low confidence
  • Older source: 2021 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2021 EdFacts · Low confidence
  • Older source: 2021 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 14221; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2021; directory SY 2023–24

About our data · How we calculate scores

Related reading

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