Enrollment
740
New York · 2024-25 NCES data
High school (grades 9-12) · Armonk, NY
Byram Hills High School
Federal NCES profile for Byram Hills High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 72/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 360606000389
👥 S:T ratio 62
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 70
📋 Attendance 97
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Byram Hills High School earns 72/100 on the Resource Investment Index, with class sizes smaller than 78% of New York schools.
- #1 of 4
- public schools in Armonk · Resource Index
- 72
- Resource Index · Higher
- 9.4:1
- small classes for New York
- 740
- students enrolled
Byram Hills High School has class sizes smaller than 78% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Byram Hills High School ranks #1 of 4 public schools in Armonk, NY.
School address
District: Byram Hills Central School District · New York
NCES ID 360606000389 Verify on NCES CCD record →
Teachers (FTE)
79.0
Federal CCD staff survey
Students per teacher
9.4:1
vs 11.8:1 New York avg
-20% vs state
Student-teacher ratio in context
How Byram Hills High School compares with New York and U.S. medians
What stands out at Byram Hills High School
Byram Hills High School is a mid-sized high school in Armonk, New York, enrolling 740 students.
Class sizes run a bit leaner than typical: 9.4:1 puts it in the smaller third of New York schools by student-teacher ratio.
Enrollment of 740 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index outscores 97% of the 4,801 New York schools with a score on record, a top-tier result on this measure.
Its student body is led by White (80%) and Asian (9%) (diversity index 35/100).
On the academic-pipeline side it reports 24 Advanced Placement courses.
Counselor coverage is strong, about 148 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 1.2% 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 Coman Hill School (575 students) and Wampus School (547 students) alongside Byram Hills 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 Byram Hills High School compares
Byram Hills 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 | 9.4:1 | ▼ 20% | 11.8:1 | 15.7:1 |
| Enrollment | 740 | top 17% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.4:1
Leaner classes than 91% of US schools, among the more generously staffed nationally.
740
Bigger than 83% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
9.4:1
students per teacher
- 20% below state mean
Top 22% in New York - lower ratio than 78% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
1.2%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
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
Counselors5.0 FTE
Per 148 students, the combined health-and-guidance staffing load for this school.
Discipline context
6
in-school suspensions + 15 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 2.8 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 79.9%
Asian 8.9%
Hispanic or Latino 6.5%
Two or More 3.8%
African American 0.8%
American Indian / Alaska Native 0.1%
Largest group: White at 79.9% of enrollment.
Student-body diversity index 34.8/100
Simpson diversity index - at 34.8, Byram Hills High School is less mixed than the New York school average of 45.5.
Programs
AP courses offered 24
Funding & spending
District-wide per-pupil expenditure for Byram Hills Central School District, which includes Byram Hills High 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 Byram Hills High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Coman Hill School | Similar size | No free-lunch data | Higher S:T ratio |
| Wampus School | Smaller | No free-lunch data | Higher S:T ratio |
| H C Crittenden Middle School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Byram Hills High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 575
- Students per teacher
- 12:1
- Resource Index
- 55/100
- 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 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 (~740 students)
Next steps
Verify locally before acting on Byram Hills High School's federal record.
- Compare Byram Hills High 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 Byram Hills High School
How many students attend Byram Hills High School?
Byram Hills High School has 740 students enrolled. It is a high school in Armonk, NY.
What is the student-teacher ratio at Byram Hills High School?
The student-teacher ratio at Byram Hills High School is 9.4:1, which is 20% lower than the New York average of 11.8:1 and 40% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Byram Hills High School?
The largest demographic group at Byram Hills High School is White at 79.9% of enrollment, in Armonk, NY.
What is the Resource Investment Index for Byram Hills High School?
Byram Hills High School has a Resource Investment Index of 72/100 (higher 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).
How does Byram Hills High School rank among public schools in Armonk?
By Resource Investment Index, Byram Hills High School ranks #1 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 Byram Hills High School a good school?
Byram Hills High School earns 72/100 on the Resource Investment Index, with class sizes smaller than 78% 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 Byram Hills Central School District?
Besides Byram Hills High School, Byram Hills Central School District also operates Coman Hill School (575 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.