- Enrollment
- 396
- Students per teacher
- 12:1
- Resource Index
- 53/100
High school (grades 9-12) · Williamson, NY
Williamson Senior High School
Federal NCES profile for Williamson Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 363144004206
👥 S:T ratio 65
🌟 Gifted program 30
🎓 Counselors 82
📋 Attendance 29
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Williamson Senior High School earns 51/100 on the Resource Investment Index, with class sizes smaller than 85% of New York schools.
- #2 of 3
- public schools in Williamson · Resource Index
- 51
- Resource Index · Higher
- 8.7:1
- small classes for New York
- 50.2%
- free-lunch eligible
Williamson Senior High School has class sizes smaller than 85% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Williamson Senior High School ranks #2 of 3 public schools in Williamson, NY.
School address
District: Williamson Central School District · New York
NCES ID 363144004206 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+8 students YoY
Williamson Senior High School held near 299 students from 2022-23 to 2023-24 (+8 headcount).
Teacher FTE lost 32.4 → 31.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+8 students YoY 363144004206 · Williamson, NY High · SMALL · TRAD
277 enr · 8.7:1 · 50.2% lunch · RII 51
Nearest enrollment peer: Williamson Elementary School (396 students)
Williamson Senior High School held near 299 students from 2022-23 to 2023-24 (+8 headcount). Teacher FTE lost 32.4 → 31.6 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Williamson Senior High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Williamson Ele
Williamson Elementary School
396 students
- This school
Williamson Senior High School
277 students
- Williamson Mid
Williamson Middle School
270 students
What this shows Williamson Senior High School reports 277 students on the CCD universe file.
How Williamson Senior High School compares
Williamson Senior 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 | 8.7:1 | ▼ 26% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 50.2% | ▼ 11% | 56.2% | 51.7% |
| Enrollment | 277 | top 80% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.7:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
277
Bigger than 29% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
50.2%
free-lunch eligible
- 11% below the New York average of 56.2%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
8.7:1
students per teacher
- 26% below state mean
Top 15% in New York - lower ratio than 85% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
28.5%
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
$24,853
per pupil, district-wide
- below New York avg of $28,120
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 92 students, the combined health-and-guidance staffing load for this school.
Discipline context
30
in-school suspensions + 13 out-of-school
Suspension rate: 10.8 per 100 students. Combined in-school and out-of-school rate: 15.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 78.3%
Hispanic or Latino 10.1%
Two or More 6.1%
African American 4.3%
American Indian / Alaska Native 0.7%
Asian 0.4%
Largest group: White at 78.3% of enrollment.
Student-body diversity index 37.1/100
Simpson diversity index - at 37.1, Williamson Senior High School is less mixed than the New York school average of 45.5.
Programs
AP courses offered 2
District finance for Williamson Central School District reports $24,853 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Williamson Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Williamson Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Williamson Middle School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Williamson Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 270
- Students per teacher
- 7.9:1
- Resource Index
- 49/100
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 (~277 students)
Frequently asked questions about Williamson Senior High School
How many students attend Williamson Senior High School?
Williamson Senior High School has 277 students enrolled. It is a high school in Williamson, NY. CCD year-over-year: 291 (2022-23) → 299 (2023-24), nearly flat (+8).
What is the student-teacher ratio at Williamson Senior High School?
The student-teacher ratio at Williamson Senior High School is 8.7:1, which is 26% lower than the New York average of 11.8:1 and 45% 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 Williamson Senior High School?
50.2% of students at Williamson Senior High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Williamson Senior High School?
The largest demographic group at Williamson Senior High School is White at 78.3% of enrollment, in Williamson, NY.
What is the Resource Investment Index for Williamson Senior High School?
Williamson Senior High School has a Resource Investment Index of 51/100 (higher 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 Williamson Senior High School rank among public schools in Williamson?
By Resource Investment Index, Williamson Senior High School ranks #2 of 3 public schools in Williamson, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Williamson Central School District?
Besides Williamson Senior High School, Williamson Central School District also operates Williamson Elementary School (396 students) and Williamson Middle School (270 students). See the Williamson Central School District district page for the complete list.