Enrollment
410
New York · 2024-25 NCES data
Other / mixed grade configuration · Greenwich, NY
Federal NCES profile for Greenwich Junior-Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
The verdict
Greenwich Junior-Senior High School earns 42/100 on the Resource Investment Index, with class sizes smaller than 81% of New York schools. It is also less racially and ethnically mixed than most New York schools.
Greenwich Junior-Senior High School has class sizes smaller than 81% of New York schools. Computed live against every New York school reporting to NCES.
NCES ID 361290001058 Verify on NCES CCD record →
Enrollment
410
New York · 2024-25 NCES data
Teachers (FTE)
45.0
Federal CCD staff survey
Students per teacher
9.1:1
vs 11.8:1 New York avg
-23% vs state
Free-lunch eligible
29.1%
vs 56.2% New York avg
-48% vs state
How Greenwich Junior-Senior High School compares with New York and U.S. medians
Smaller classes than state median
9.1:1 - 2.7 below the New York state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Greenwich Junior-Senior High School is a mid-sized combined-grade school in Greenwich, New York, enrolling 410 students.
Class sizes run a bit leaner than typical: 9.1:1 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 29.1% of students eligible for free meals.
With 410 students, its enrollment sits close to the New York median campus size.
Its Resource Investment Index sits near the middle of the pack among 4,801 scored New York schools.
Against 815 statewide peers matched on enrollment and economic need, it ranks mid-pack at #402.
Its student body is predominantly White (94% of enrollment), among the less diverse in the state (diversity index 11/100).
Counselor coverage is strong, about 137 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 56.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district, Greenwich Central School District, also runs Greenwich Elementary School (452 students).
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
Greenwich Junior-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 | 9.1:1 | ▼ 23% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 29.1% | ▼ 48% | 56.2% | 51.7% |
| Enrollment | 410 | top 53% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 94.4% of enrollment.
Simpson diversity index - at 10.8, Greenwich Junior-Senior High School is less mixed than the New York school average of 45.5.
District-wide per-pupil expenditure for Greenwich Central School District, which includes Greenwich Junior-Senior High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Greenwich Elementary School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Greenwich Junior-Senior High School's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Greenwich Junior-Senior High School's federal record.
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.
Greenwich Junior-Senior High School has 410 students enrolled. It is a public school in Greenwich, NY.
The student-teacher ratio at Greenwich Junior-Senior High School is 9.1:1, which is 23% lower than the New York average of 11.8:1 and 42% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
29.1% of students at Greenwich Junior-Senior High School are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at Greenwich Junior-Senior High School is White at 94.4% of enrollment, in Greenwich, NY.
Greenwich Junior-Senior High School has a Resource Investment Index of 42/100 (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).
Greenwich Junior-Senior High School earns 42/100 on the Resource Investment Index, with class sizes smaller than 81% of New York schools. It is also less racially and ethnically mixed than most 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.
Besides Greenwich Junior-Senior High School, Greenwich Central School District also operates Greenwich Elementary School (452 students). See the Greenwich Central School District district page for the complete list.
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.
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PlainSchools, “Greenwich Junior-Senior High School, Greenwich NY.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/greenwich-junior-senior-high-school-ny
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