Enrollment
575
New York · 2024-25 NCES data
Elementary school (grades K-5) · Armonk, NY
Coman Hill School
Federal NCES profile for Coman Hill School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
2024-25 NCES dataElementary school (grades K-5)NCES 360606000390
👥 S:T ratio 52
🌟 Gifted program 30
📋 Attendance 82
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Coman Hill School earns 55/100 on the Resource Investment Index, with class sizes near the New York median.
- #3 of 4
- public schools in Armonk · Resource Index
- 55
- Resource Index · Higher
- 12:1
- students per teacher
- 3.7%
- free-lunch eligible
Coman Hill School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Coman Hill School ranks #3 of 4 public schools in Armonk, NY.
School address
District: Byram Hills Central School District · New York
NCES ID 360606000390 Verify on NCES CCD record →
Teachers (FTE)
48.0
Federal CCD staff survey
Students per teacher
12:1
vs 11.8:1 New York avg
+2% vs state
Free-lunch eligible
3.7%
vs 56.2% New York avg
-93% vs state
Student-teacher ratio in context
How Coman Hill School compares with New York and U.S. medians
What stands out at Coman Hill School
Coman Hill School is a lower-poverty, mid-sized elementary school in Armonk, New York, enrolling 575 students.
At 12:1, its student-teacher ratio sits close to the New York median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 3.7% free-meal eligibility runs 93% below the New York average.
Enrollment of 575 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 295 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #71.
Its student body is predominantly White (81% of enrollment) (diversity index 33/100).
Attendance holds up well here: only 7.1% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Byram Hills Central School District spends $38,720 per pupil, 47% above the New York average, a better-resourced district than most.
Byram Hills Central School District also operates Byram Hills High School (740 students) and Wampus School (547 students) alongside Coman Hill 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 Coman Hill School compares
Coman Hill 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 | 12:1 | ▲ 2% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 3.7% | ▼ 93% | 56.2% | 51.7% |
| Enrollment | 575 | top 29% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
575
Bigger than 70% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
3.7%
free-lunch eligible
- 93% 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
12:1
students per teacher
- 2% above state mean
Top 59% in New York - lower ratio than 41% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
7.1%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$38,720
per pupil, district-wide
- above 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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 81.4%
Hispanic or Latino 7.1%
Two or More 6.1%
Asian 4.7%
African American 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 81.4% of enrollment.
Student-body diversity index 32.6/100
Simpson diversity index - at 32.6, Coman Hill School is less mixed than the New York school average of 45.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Byram Hills Central School District, which includes Coman Hill School.
$38,720
Per student
+47%
vs New York
Avg $26,410
+133%
vs U.S.
Avg $16,593
Revenue mix
Local 90.9%
State 7.4%
Federal 1.7%
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 Coman Hill School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Byram Hills High School | Larger | No free-lunch data | Lower S:T ratio |
| Wampus School | Similar size | Similar economic need | Similar S:T ratio |
| H C Crittenden Middle School | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Coman Hill School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 740
- Students per teacher
- 9.4:1
- Resource Index
- 65/100
- Enrollment
- 547
- Students per teacher
- 11.9:1
- Resource Index
- 43/100
- Enrollment
- 474
- Students per teacher
- 8.3:1
- Resource Index
- 63/100
Similar elementary 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 (~575 students)
Similar student-teacher ratio (~12:1)
Next steps
Verify locally before acting on Coman Hill School's federal record.
- Compare Coman Hill School against another school. Compare schools
- Byram Hills 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 Coman Hill School
How many students attend Coman Hill School?
Coman Hill School has 575 students enrolled. It is an elementary school in Armonk, NY.
What is the student-teacher ratio at Coman Hill School?
The student-teacher ratio at Coman Hill School is 12:1, which is 2% higher than the New York average of 11.8:1 and 24% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Coman Hill School?
3.7% of students at Coman Hill School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Coman Hill School?
The largest demographic group at Coman Hill School is White at 81.4% of enrollment, in Armonk, NY.
What is the Resource Investment Index for Coman Hill School?
Coman Hill School has a Resource Investment Index of 55/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Coman Hill School rank among public schools in Armonk?
By Resource Investment Index, Coman Hill School ranks #3 of 4 public schools in Armonk, 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 Armonk on the city page.
Is Coman Hill School a good school?
Coman Hill School earns 55/100 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 Byram Hills Central School District?
Besides Coman Hill School, Byram Hills Central School District also operates Byram Hills High School (740 students), Wampus School (547 students), and H C Crittenden Middle School (474 students). See the Byram Hills 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.