- Enrollment
- 1,307
- Students per teacher
- 11.5:1
- Resource Index
- 45/100
High school (grades 9-12) · Williamsville, NY
Williamsville South High School
Federal NCES profile for Williamsville South High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 363147004219
👥 S:T ratio 56
🌟 Gifted program 30
🎓 Counselors 60
📋 Attendance 22
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Williamsville South High School earns 42/100 on the Resource Investment Index, with class sizes near the New York median.
- #10 of 11
- public schools in Williamsville · Resource Index
- 42
- Resource Index · Typical
- 10.9:1
- students per teacher
- 24.3%
- free-lunch eligible
Williamsville South High School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Williamsville South High School ranks #10 of 11 public schools in Williamsville, NY.
School address
District: Williamsville Central School District · New York
NCES ID 363147004219 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-34 students YoY
Williamsville South High School held near 823 students from 2022-23 to 2023-24 (-34 headcount).
Teacher FTE lost 74.0 → 72.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-34 students YoY 363147004219 · Williamsville, NY High · MID · TRAD
796 enr · 10.9:1 · 24.3% lunch · RII 42
Nearest enrollment peer: Williamsville North High School (1,307 students)
Williamsville South High School held near 823 students from 2022-23 to 2023-24 (-34 headcount). Teacher FTE lost 74.0 → 72.1 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Williamsville South High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Williamsville
Williamsville North High School
1,307 students
- Williamsville
Williamsville East High School
940 students
- Transit Middle
Transit Middle School
912 students
- This school
Williamsville South High School
796 students
- Mill Middle Sc
Mill Middle School
790 students
- Maple West Ele
Maple West Elementary School
670 students
What this shows Williamsville South High School reports 796 students on the CCD universe file.
How Williamsville South High School compares
Williamsville South High School held steady on CCD headcount: ratios and free-lunch share vs New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.9:1 | ▼ 8% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 24.3% | ▼ 57% | 56.2% | 51.7% |
| Enrollment | 796 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.9:1
Leaner classes than 84% of US schools, among the more generously staffed nationally.
796
Bigger than 85% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
24.3%
free-lunch eligible
- 57% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
10.9:1
students per teacher
- 8% below state mean
Top 43% in New York - lower ratio than 57% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
31.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$19,702
per pupil, district-wide
- below New York avg of $28,120
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors4.0 FTE
Per 199 students, the combined health-and-guidance staffing load for this school.
Discipline context
46
in-school suspensions + 58 out-of-school
Suspension rate: 5.8 per 100 students. Combined in-school and out-of-school rate: 13.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 74.2%
Asian 8.4%
African American 6.5%
Two or More 5.7%
Hispanic or Latino 4.8%
Native Hawaiian / Pacific Islander 0.4%
Largest group: White at 74.2% of enrollment.
Student-body diversity index 43.3/100
Simpson diversity index - at 43.3, Williamsville South High School is less mixed than the New York school average of 45.5.
Programs
AP courses offered 13
District finance for Williamsville Central School District reports $19,702 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Williamsville South High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Williamsville North High School | Larger | Similar economic need | Similar S:T ratio |
| Williamsville East High School | Similar size | Similar economic need | Similar S:T ratio |
| Transit Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Mill Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Maple West Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Williamsville South High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 940
- Students per teacher
- 11.8:1
- Resource Index
- 48/100
- Enrollment
- 912
- Students per teacher
- 12.2:1
- Resource Index
- 60/100
- Enrollment
- 790
- Students per teacher
- 10.7:1
- Resource Index
- 60/100
- Enrollment
- 670
- Students per teacher
- 11.8:1
- Resource Index
- 58/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~796 students)
Similar student-teacher ratio (~10.9:1)
Frequently asked questions about Williamsville South High School
How many students attend Williamsville South High School?
Williamsville South High School has 796 students enrolled. It is a high school in Williamsville, NY. CCD year-over-year: 857 (2022-23) → 823 (2023-24), nearly flat (-34).
What is the student-teacher ratio at Williamsville South High School?
The student-teacher ratio at Williamsville South High School is 10.9:1, which is 8% lower than the New York average of 11.8:1 and 31% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Williamsville South High School?
24.3% of students at Williamsville South High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Williamsville South High School?
The largest demographic group at Williamsville South High School is White at 74.2% of enrollment, in Williamsville, NY.
What is the Resource Investment Index for Williamsville South High School?
Williamsville South High School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Williamsville South High School rank among public schools in Williamsville?
By Resource Investment Index, Williamsville South High School ranks #10 of 11 public schools in Williamsville, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Williamsville on the city page.
What other schools are in Williamsville Central School District?
Besides Williamsville South High School, Williamsville Central School District also operates Williamsville North High School (1,307 students), Williamsville East High School (940 students), and Transit Middle School (912 students). See the Williamsville Central School District district page for the complete list.