Byram Hills High School, Armonk NY

Original Research by School Decision on Byram Hills High School

Byram Hills High School serves a community in Armonk, a small affluent hamlet in northern Westchester County that centers on an active downtown business district and sprawling residential properties near the Connecticut border. The school sits on a separate campus rather than in the walkable downtown core, as is typical for the district's elementary, middle, and high schools in this rural-fringe setting. The hamlet itself is defined by IBM's corporate headquarters, parks anchoring community life, and relatively little new construction until recently, when luxury residential projects including townhomes and downtown condos began to arrive.

The school enrolls roughly seven hundred forty students across its four grades, nine through twelve. The student body is predominantly white, with smaller shares of Asian, Hispanic, and multiracial students, and a very small number of students who are Black or Indigenous. Free-and-reduced-price lunch counts were not available in the data, nor were counts of students with disabilities or English learners, so a complete picture of economic diversity and English language needs cannot be drawn here. The housing market in the area reflects high property values and an affluent setting; home values in the zip code are substantially above the state and national benchmarks, and listing prices suggest a high-end residential market where affordability for middle-income families is a structural challenge.

State assessment data for this school were not available, nor was a graduation rate, making it impossible to gauge academic proficiency or completion outcomes against district or county benchmarks. The absence of these metrics often reflects limitations in how a state or district reports data by individual school, rather than school performance itself. A parent seeking to understand Byram Hills High School's academic standing would benefit from requesting this information directly from the school or district.

The district has undertaken significant changes in recent years that shape the school environment. Most notably for high school families, voters approved in May 2024 a major capital project called "Lights, Learning, Action!" funded from reserves without raising the tax levy. The work, running through 2027, reconstructs the school's 1960s library and lecture hall into a "Learning Commons," adds a second turf field, and installs lighting on fields and courts. This is a visible, multiyear facilities upgrade that families choosing the school would experience during enrollment. At the elementary level, the district adopted a structured literacy curriculum grounded in the science of reading and a new K-5 character education program; these changes underscore the district's pedagogical direction but affect high school students indirectly through feeder populations.

The school's website was not provided in the available data, so course catalogs, club offerings, counseling resources, and other program details specific to this high school were not accessible for review. A parent evaluating this school would want to visit the site to understand course breadth, AP and honors offerings, dual-credit pathways, extracurricular scope, and support services firsthand.

Armonk itself is a quiet, predominantly residential place with character driven by a compact downtown along Main Street and Armonk Square. Parks including Wampus Pond, John A. Lombardi, and North Castle Community Parks anchor civic life, and the North Castle Public Library serves the hamlet. Transit is limited, with no passenger rail nearby and bus service through the Bee-Line system serving business parks and the airport; personal vehicle use is necessary for most daily needs. The community has historically resisted rapid change, but recent years have brought luxury townhome and condominium projects that signal a shift toward more mixed housing types and younger families. The overall setting is affluent, suburban, and oriented toward privacy and open space, a context that shapes both the school's peer environment and the families it serves.

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Academic performance

How students graduate and prepare for what comes next.

Graduation rate (ACGR)

>=95%Cohort of 188 students · Class of 2021

The federal source publishes a banded range instead of an exact rate when the graduating cohort is small enough that an exact number could risk identifying individual students.

How this school compares to all schools in this state

Each dot is one school’s SY 2020-21 graduation rate, binned by integer rate. Taller columns mean more schools at that rate. This school is highlighted.

1,253 schools plotted. 14 additional schools' rates are federally suppressed and not shown. Data: EDFacts SY 2020-21.

Advanced Placement & IB

30 subjects offered · 2023-24

Each card is one AP or IB subject. The headline number is the share of students scoring 3 or higher on the exam — the threshold for college credit at most universities. The bar below each rate shows the underlying distribution across performance levels.

Score:12· no credit345· extremely well qualified

Math and Computer Science

Calculus AB

38 tested

60.5%

scored 3 or higher

Calculus BC

16 tested

100.0%

scored 3 or higher

Computer Science A

17 tested · Grade 10

82.4%

scored 3 or higher

Computer Science Principles

37 tested

78.4%

scored 3 or higher

Statistics

57 tested

56.1%

scored 3 or higher

Sciences

Biology

29 tested

100.0%

scored 3 or higher

Chemistry

14 tested

78.6%

scored 3 or higher

Environmental Science

60 tested

63.3%

scored 3 or higher

Physics 1

15 tested

73.3%

scored 3 or higher

Physics C: Electricity and Magnetism

11 tested

9.1%

scored 3 or higher

Physics C: Mechanics

11 tested

72.7%

scored 3 or higher

History and Social Sciences

European History

37 tested

91.9%

scored 3 or higher

Human Geography

40 tested

50.0%

scored 3 or higher

Macroeconomics

3 tested · Grade 10

0.0%

scored 3 or higher

Microeconomics

1 tested · Grade 10

0.0%

scored 3 or higher

Psychology

1 tested

0.0%

scored 3 or higher

U.S. History

109 tested

97.2%

scored 3 or higher

World Languages and Cultures

Chinese Language and Culture

5 tested · Grade 9, Grade 10

0.0%

scored 3 or higher

French Language and Culture

8 tested

100.0%

scored 3 or higher

German Language and Culture

1 tested · Grade 10

0.0%

scored 3 or higher

Italian Language and Culture

11 tested

27.3%

scored 3 or higher

Spanish Language and Culture

12 tested

83.3%

scored 3 or higher

Arts

Music Theory

3 tested

0.0%

scored 3 or higher

Studio Art Drawing

6 tested

100.0%

scored 3 or higher

Other

Language and Comp

52 tested

98.1%

scored 3 or higher

Literature and Comp

38 tested

97.4%

scored 3 or higher

Studio Art 2d Design

32 tested

100.0%

scored 3 or higher

Studio Art 3d Design

2 tested

0.0%

scored 3 or higher

U S Government and Politics

53 tested

90.6%

scored 3 or higher

World History

78 tested · Grade 10

100.0%

scored 3 or higher

New York Regents Exams

4 courses reported · 2024-25

End-of-course exams required for a New York Regents diploma. Each row shows the cohort size and the share of students scoring at the proficient level or higher.

Course	Students tested	% proficient
Social Studies	180	100.0%
Ela	176	98.0%
Math	156	94.0%
Science	81	75.0%

Graduation rate (ACGR) reflects the federally published Adjusted Cohort Graduation Rate for the most recent year available. We refresh this data annually at the close of each academic year in June. The federal source publishes a banded rate (for example, "90-94%") instead of an exact number for cohorts small enough to risk identifying individual students. The state distribution chart, where shown, plots every school in the state with a published rate or band; schools whose rate is federally suppressed are excluded. Where the federal source publishes a band rather than an exact rate, the school is placed within its band using a stable, ID-derived offset, so its position is consistent across visits.