Mamaroneck High School, Mamaroneck NY

Original Research by School Decision on Mamaroneck High School

Mamaroneck High School serves the high school grades for the Mamaroneck Union Free School District, educating students from the Village of Mamaroneck, the Town of Mamaroneck, and the Village of Larchmont. The school sits on a suburban campus on West Boston Post Road, west of the downtown core, and operates an open-campus policy that allows students access to nearby restaurants and the surrounding area during lunch and free periods.

The enrollment is moderate in size for a suburban high school, drawn from a diverse community. The student body is majority white, with substantial populations of Hispanic, Asian, and other students. About a quarter of the student body qualifies for free or reduced-price lunch, a sign of mixed socioeconomic circumstances within the district's service area.

State testing data was not available, so a full picture of academic performance cannot be drawn from this record. The school does not report a four-year graduation rate or chronic absenteeism rate in the data on hand. Relative to districts in Westchester County, the comparison metrics that would position this school among its neighbors are missing. A parent seeking detailed performance metrics and trend data should contact the school or district directly or consult the district's publicly reported accountability materials.

The district has invested substantially in the high school's physical infrastructure through a bond approved by voters, with Phase 1 improvements already completed including pool and locker room renovations, roofing upgrades, HVAC replacement, and accessibility features, with additional work scheduled. This modernization of learning and athletic spaces provides context for families considering long-term enrollment.

The district operates Dos Caminos, a dual-language Spanish/English immersion program that has expanded from its beginnings at the elementary level into a K-12 pathway. High school students in the program take AP-level Spanish coursework taught entirely in Spanish, representing a specialized track for bilingual learners.

The high school draws on resources beyond its campus: the district integrates Mamaroneck Harbor and the Sheldrake Environmental Center into learning opportunities, connecting students to the waterfront environment and environmental science programming.

Mamaroneck itself is a compact, walkable village on Long Island Sound with a commercial downtown centered on Mamaroneck Avenue and a suburban residential character. Harbor Island Park, a 44-acre waterfront space with fields, courts, a beach, a marina, and a playground, anchors community life and hosts seasonal events. The village is served by Metro-North's New Haven line, providing rail access to New York City and Connecticut. The housing market in the area reflects a higher-cost Westchester suburban setting, with significant recent activity in listings and ongoing demand.

The village is actively pursuing downtown revitalization, including streetscape improvements, housing development (including affordable units), and mixed-use zoning changes. An affordable housing task force has recommended transit-oriented development near the Metro-North station and changes to zoning to allow accessory dwelling units. These longer-term development initiatives shape the community context in which the school operates.

A parent evaluating Mamaroneck High School should request current state test results, graduation data, and program-specific information directly from the district, as the comparative performance metrics are not present in available public records. The school's open-campus policy, waterfront-learning integration, and dual-language pathway are concrete features worth discussing with school leadership.

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Academic performance

How students graduate and prepare for what comes next.

Graduation rate (ACGR)

95.0%Cohort of 398 students · Class of 2021

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

25 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

52 tested

59.6%

scored 3 or higher

Calculus BC

117 tested

74.4%

scored 3 or higher

Computer Science A

29 tested

93.1%

scored 3 or higher

Statistics

104 tested

72.1%

scored 3 or higher

Sciences

Biology

48 tested

87.5%

scored 3 or higher

Chemistry

24 tested · Grade 10

95.8%

scored 3 or higher

Environmental Science

136 tested

75.7%

scored 3 or higher

Physics 1

130 tested

84.6%

scored 3 or higher

Physics C: Mechanics

32 tested

93.8%

scored 3 or higher

History and Social Sciences

European History

62 tested

85.5%

scored 3 or higher

Human Geography

1 tested · Grade 10

0.0%

scored 3 or higher

Macroeconomics

195 tested

86.7%

scored 3 or higher

Microeconomics

4 tested

0.0%

scored 3 or higher

U.S. History

152 tested

94.1%

scored 3 or higher

World Languages and Cultures

Chinese Language and Culture

1 tested

0.0%

scored 3 or higher

French Language and Culture

34 tested

79.4%

scored 3 or higher

Spanish Language and Culture

67 tested · Grade 10

97.0%

scored 3 or higher

Arts

Music Theory

7 tested

28.6%

scored 3 or higher

Studio Art Drawing

20 tested

90.0%

scored 3 or higher

Other

Language and Comp

233 tested

77.3%

scored 3 or higher

Literature and Comp

42 tested

95.2%

scored 3 or higher

Studio Art 2d Design

20 tested

75.0%

scored 3 or higher

Studio Art 3d Design

10 tested

80.0%

scored 3 or higher

U S Government and Politics

63 tested

92.1%

scored 3 or higher

World History

1 tested

0.0%

scored 3 or higher

New York Regents Exams

3 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	461	90.0%
Ela	443	83.0%
Math	322	94.0%

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.