Enrollment
323
New York · 2024-25 NCES data
Other / mixed grade configuration · Nedrow, NY
Onondaga Senior High School
Federal NCES profile for Onondaga Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataOther / mixed grade configurationNCES 362181003098
👥 S:T ratio 63
🌟 Gifted program 30
🎓 Counselors 68
📋 Attendance 25
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Onondaga Senior High School earns 46/100 on the Resource Investment Index, with class sizes smaller than 80% of New York schools.
- #1 of 3
- schools in Nedrow · Resource Index
- 46
- Resource Index · Typical
- 9.2:1
- small classes for New York
- 46.5%
- free-lunch eligible
Onondaga Senior High School has class sizes smaller than 80% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Onondaga Senior High School ranks #1 of 3 schools in Nedrow, NY.
School address
District: Onondaga Central School District · New York
NCES ID 362181003098 Verify on NCES CCD record →
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
9.2:1
vs 11.8:1 New York avg
-22% vs state
Free-lunch eligible
46.5%
vs 56.2% New York avg
-17% vs state
Student-teacher ratio in context
How Onondaga Senior High School compares with New York and U.S. medians
What stands out at Onondaga Senior High School
Onondaga Senior High School is a mid-sized combined-grade school in Nedrow, New York, enrolling 323 students.
Class sizes run a bit leaner than typical: 9.2:1 puts it in the smaller third of New York schools by student-teacher ratio.
Its free-meal eligibility rate of 46.5% lands close to the New York typical range, neither a high- nor low-need campus by this measure.
Enrollment of 323 puts it in the smaller third of New York schools by headcount.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 799 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #200.
Its student body is led by White (71%) and African American (12%) (diversity index 47/100).
Counselor coverage is strong, about 162 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 30.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 71 in- and out-of-school suspensions were reported for 323 students in the 2021-22 Civil Rights Data Collection.
Onondaga Central School District also operates Wheeler Elementary School (240 students) and Rockwell Elementary School (208 students) alongside Onondaga Senior High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Onondaga Senior High School compares
Onondaga Senior High School on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.2:1 | ▼ 22% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 46.5% | ▼ 17% | 56.2% | 51.7% |
| Enrollment | 323 | top 71% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.2:1
Leaner classes than 92% of US schools, among the more generously staffed nationally.
323
Bigger than 36% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
46.5%
free-lunch eligible
- 17% 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
9.2:1
students per teacher
- 22% below state mean
Top 20% in New York - lower ratio than 80% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
30.0%
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
$24,502
per pupil, district-wide
- below New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 162 students, the combined health-and-guidance staffing load for this school.
Discipline context
9
in-school suspensions + 62 out-of-school
Suspension rate: 2.8 per 100 students. Combined in-school and out-of-school rate: 22.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 70.9%
African American 11.8%
Two or More 9.0%
Hispanic or Latino 5.9%
American Indian / Alaska Native 2.2%
Asian 0.3%
Largest group: White at 70.9% of enrollment.
Student-body diversity index 47.1/100
Simpson diversity index - at 47.1, Onondaga Senior High School is about as mixed as the New York school average of 45.5.
Programs
AP courses offered 4
Funding & spending
District-wide per-pupil expenditure for Onondaga Central School District, which includes Onondaga Senior High School.
$24,502
Per student
-7%
vs New York
Avg $26,410
+48%
vs U.S.
Avg $16,593
Revenue mix
Local 39.6%
State 50.8%
Federal 9.6%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Onondaga Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wheeler Elementary School | Smaller | Similar economic need | Higher S:T ratio |
| Rockwell Elementary School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Onondaga Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 240
- Students per teacher
- 12:1
- Resource Index
- 48/100
- Enrollment
- 208
- Students per teacher
- 10.4:1
- Resource Index
- 34/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~323 students)
Similar student-teacher ratio (~9.2:1)
Next steps
Verify locally before acting on Onondaga Senior High School's federal record.
- Compare Onondaga Senior High School against another school. Compare schools
- Onondaga Central School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Onondaga Senior High School
How many students attend Onondaga Senior High School?
Onondaga Senior High School has 323 students enrolled. It is a public school in Nedrow, NY.
What is the student-teacher ratio at Onondaga Senior High School?
The student-teacher ratio at Onondaga Senior High School is 9.2:1, which is 22% lower than the New York average of 11.8:1 and 41% 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 Onondaga Senior High School?
46.5% of students at Onondaga 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 Onondaga Senior High School?
The largest demographic group at Onondaga Senior High School is White at 70.9% of enrollment, in Nedrow, NY.
What is the Resource Investment Index for Onondaga Senior High School?
Onondaga Senior High School has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Onondaga Senior High School rank among schools in Nedrow?
By Resource Investment Index, Onondaga Senior High School ranks #1 of 3 schools in Nedrow, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Nedrow on the city page.
Is Onondaga Senior High School a good school?
Onondaga Senior High School earns 46/100 on the Resource Investment Index, with class sizes smaller than 80% of New York schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Onondaga Central School District?
Besides Onondaga Senior High School, Onondaga Central School District also operates Wheeler Elementary School (240 students) and Rockwell Elementary School (208 students). See the Onondaga Central School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.