Enrollment
740
New York · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 360606000389
Byram Hills High School — Armonk, NY
Federal NCES profile for Byram Hills High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 72/100.
👥 Class size 64
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 70
📋 Attendance 97
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Byram Hills Central School District · New York
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
79.0
Federal CCD staff survey
Students per teacher
9:1
vs 11.7:1 New York avg
-23% vs state
Student-teacher ratio in context
How Byram Hills High School compares with New York and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Byram Hills High School reports 740 enrolled students to the National Center for Education Statistics (NCES) alongside 79.0 full-time-equivalent teachers, producing a 9:1 student-teacher ratio. That figure sits 23% below the New York state mean of 11.7:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 43% lower, a useful calibration for families comparing districts across state lines.
The school offers 24 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 148 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 1.2% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Byram Hills Central School District spends $40,749 per pupil district-wide, above the New York average of $29,727 and above the national average of $19,490. Revenue comes 90.9% from local sources (property taxes), 7.4% from the state, and 1.7% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 72/100 (B), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Byram Hills High School compares
Cross-validating school-level NCES values against New York state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9:1 | ▼ 23% | 11.7:1 | 15.9:1 |
| Enrollment | 740 | top 83% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Staffing depth
9:1
students per teacher
— 23% below state mean
Top 15% in New York — lower ratio than 85% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
1.2%
chronically absent (missed 10%+ of school days)
Below 10% — strong attendance relative to the post-pandemic national landscape.
Funding equity
$40,749
per pupil, district-wide
— above New York avg of $29,727
Above the U.S. public-school average, reflecting 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
Enrollment 740 Top 83% in New York — larger than 17% of 4,812 state schools
Teachers (FTE) 79.0
Students per teacher 9:1 -23% vs state
Free-lunch eligible —
NCES ID 360606000389
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.
Programs & staff
AP courses offered 24
Counselors (FTE) 5.0
Students per counselor 148:1
Discipline & special education
Chronically absent 1.2%
In-school suspensions 6
Out-of-school suspensions 15
Funding & spending
District-wide per-pupil expenditure for Byram Hills Central School District, which includes Byram Hills High School.
$40,749
Per student
+37%
vs New York
Avg $29,727
+109%
vs U.S.
Avg $19,490
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.
Other Schools in This District
- Enrollment
- 575
- Students per teacher
- 11.7:1
- Enrollment
- 547
- Students per teacher
- 10.7:1
- Enrollment
- 474
- Students per teacher
- 9.3:1
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
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 9:1, which is 23% lower than the New York average of 11.7:1 and 43% lower than the national average of 15.9:1. 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%. The school serves a diverse student body 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 (B) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.