Enrollment
479
New York · 2024-25 NCES data
High school (grades 9-12) · Richmondville, NY
Cobleskill-Richmondville High School
Federal NCES profile for Cobleskill-Richmondville 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 360001000566
👥 S:T ratio 59
📚 AP courses 40
🌟 Gifted program 30
🎓 Counselors 81
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cobleskill-Richmondville High School earns 42/100 on the Resource Investment Index, with class sizes near the New York median.
- 42
- Resource Index · Typical
- 10.2:1
- students per teacher
- 44.7%
- free-lunch eligible
- 479
- students enrolled
Cobleskill-Richmondville High School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
School address
NCES ID 360001000566 Verify on NCES CCD record →
Teachers (FTE)
47.0
Federal CCD staff survey
Students per teacher
10.2:1
vs 11.8:1 New York avg
-14% vs state
Free-lunch eligible
44.7%
vs 56.2% New York avg
-20% vs state
Student-teacher ratio in context
How Cobleskill-Richmondville High School compares with New York and U.S. medians
What stands out at Cobleskill-Richmondville High School
Cobleskill-Richmondville High School is a mid-sized high school in Richmondville, New York, enrolling 479 students.
Class sizes run a bit leaner than typical: 10.2:1 puts it in the smaller third of New York schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 44.7% of students eligible for free meals.
With 479 students, its enrollment sits close to the New York median campus size.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 921 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #273.
Its student body is predominantly White (89% of enrollment) (diversity index 21/100).
On the academic-pipeline side it reports 8 Advanced Placement courses.
Counselor coverage is strong, about 96 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 42.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Cobleskill-Richmondville Central School District also operates George D Ryder Elementary School (364 students) and William H Golding Middle School (344 students) alongside Cobleskill-Richmondville 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 Cobleskill-Richmondville High School compares
Cobleskill-Richmondville 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 | 10.2:1 | ▼ 14% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 44.7% | ▼ 20% | 56.2% | 51.7% |
| Enrollment | 479 | top 41% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.2:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
479
Bigger than 59% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
44.7%
free-lunch eligible
- 20% 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
10.2:1
students per teacher
- 14% below state mean
Top 32% in New York - lower ratio than 68% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
42.0%
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
$25,444
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
Counselors5.0 FTE
Per 96 students, the combined health-and-guidance staffing load for this school.
Discipline context
28
in-school suspensions + 44 out-of-school
Suspension rate: 5.8 per 100 students. Combined in-school and out-of-school rate: 15.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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 88.7%
Hispanic or Latino 7.3%
Two or More 1.7%
African American 1.5%
Asian 0.4%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 88.7% of enrollment.
Student-body diversity index 20.7/100
Simpson diversity index - at 20.7, Cobleskill-Richmondville High School is less mixed than the New York school average of 45.5.
Programs
AP courses offered 8
Funding & spending
District-wide per-pupil expenditure for Cobleskill-Richmondville Central School District, which includes Cobleskill-Richmondville High School.
$25,444
Per student
-4%
vs New York
Avg $26,410
+53%
vs U.S.
Avg $16,593
Revenue mix
Local 38.0%
State 49.3%
Federal 12.7%
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 Cobleskill-Richmondville High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| George D Ryder Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| William H Golding Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Joseph B Radez Elementary School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Cobleskill-Richmondville High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 364
- Students per teacher
- 10.4:1
- Resource Index
- 29/100
- Enrollment
- 344
- Students per teacher
- 9.8:1
- Resource Index
- 42/100
- Enrollment
- 327
- Students per teacher
- 10.2:1
- Resource Index
- 34/100
Similar high 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 (~479 students)
Next steps
Verify locally before acting on Cobleskill-Richmondville High School's federal record.
- Compare Cobleskill-Richmondville High School against another school. Compare schools
- Cobleskill-Richmondville 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 Cobleskill-Richmondville High School
How many students attend Cobleskill-Richmondville High School?
Cobleskill-Richmondville High School has 479 students enrolled. It is a high school in Richmondville, NY.
What is the student-teacher ratio at Cobleskill-Richmondville High School?
The student-teacher ratio at Cobleskill-Richmondville High School is 10.2:1, which is 14% lower than the New York average of 11.8:1 and 35% 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 Cobleskill-Richmondville High School?
44.7% of students at Cobleskill-Richmondville High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Cobleskill-Richmondville High School?
The largest demographic group at Cobleskill-Richmondville High School is White at 88.7% of enrollment, in Richmondville, NY.
What is the Resource Investment Index for Cobleskill-Richmondville High School?
Cobleskill-Richmondville High School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Cobleskill-Richmondville High School a good school?
Cobleskill-Richmondville High School earns 42/100 on the Resource Investment Index, with class sizes near the New York median. 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 Cobleskill-Richmondville Central School District?
Besides Cobleskill-Richmondville High School, Cobleskill-Richmondville Central School District also operates George D Ryder Elementary School (364 students), William H Golding Middle School (344 students), and Joseph B Radez Elementary School (327 students). See the Cobleskill-Richmondville Central School District district page for the complete list.
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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.