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Excellent

#50 of 4,739 schools in NY

Top 1% in state

Harrison High School

High School · HARRISON CENTRAL SCHOOL DISTRICT

255 UNION AVE, Harrison, NY 10528

Enrollment

1,097

Student-Teacher

10:1

Score

9.1

Grades

9th – 12th

Updated 2022-23

How this school compares

In Harrison

#1 of 4

public schools

New York high schools

#5 of 1,160

In district

#1 of 6

HARRISON CENTRAL SCHOOL DISTRICT

Academic performance

9.7 / 10

Exceptional

About Harrison High School

Harrison High School is a public high school serving grades 9 through 12 in Harrison, New York, with an enrollment of 1,097 students. The school earns a composite score of 9.1 out of 10 — rated Exceptional — placing it fifth among 1,160 high schools across New York State. That standing reflects one of the strongest academic profiles in the state.

Academic performance is where Harrison separates itself most clearly. An academic subscore of 9.7 out of 10 puts it in the top percentile of public schools statewide, outperforming 99% of New York's 4,739 public schools. It is also the top-rated school among the four public schools in Harrison.

A 10.0-to-1 student-teacher ratio supports that outcome, giving teachers the capacity to work with students individually rather than simply manage classrooms at scale. Growth scores of 7.6 out of 10 round out the picture. Students at Harrison aren't just arriving academically ahead — they continue gaining ground year over year.

For families weighing public high school options in Westchester County, few schools match what Harrison delivers across both attainment and academic trajectory.

What's said publicly about Harrison High School

Sources: School's website

Synthesized from public, attributable sources. Updated May 2026.

Harrison High School students have achieved recognition in various academic and extracurricular competitions. Two students competed at the Regeneron International Science and Engineering Fair, and four students competed in the International GENIUS Olympiad 1 . Andrew Gaffin was named a National Merit Finalist Winner, and a junior student earned a National Scholastic Silver Medal 1 . Additionally, 17 DECA students qualified to compete at Nationals 1 . The school offers Advanced Placement (AP) and International Baccalaureate (IB) courses; 95% of the graduating class of 2019 enrolled in at least one of these programs 1 . The school participates in the Harrison Central School District (HCSD), which adopted Policy 7316 to comply with New York State law restricting student use of personal internet-enabled devices starting September 1, 2025 1 . The district also published a safety plan for the 2025-26 school year 1 .
Sources (1)
  1. www.harrisoncsd.org
Generated by AI from public sources. Every claim is grounded in a cited source. Report inaccuracy

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.6Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change+1 pts/yr
Data Period2019–2021
TrendStable
Academics9.7Exceptional25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency96%
Reading/ELA Proficiency98%
Overall Proficiency97%
Expected (poverty-adj.)68%
vs. Expected+29.5 pts
Adjusted Percentile95th
College Readiness9.5Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation21.8%
IB ProgramYes
Resources & Environment9.6Exceptional20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio10:1
Per-Pupil Spending$33,166

Harrison High School — Students at Harrison High School score 97% proficient, which is above what's typical for similar communities (expected: 68%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

23.4%

Students qualifying for federal meal assistance

Test Scores NY EDFACTS (2020-21)

Math Proficiency 95.0%
School
State
N/A
ELA Proficiency 98.0%
School
State
N/A

Based on 3 test records from NY state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
94%
ELA
98%
2021*
Math
96%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 7.6/10.

How Harrison High School Compares

See how Harrison High School performs across key quality dimensions compared to state benchmarks.

Overall Score
9.1/10
99th percentile in NY
Academic
9.7/10
9.7/10
Growth
7.6/10
Above average
Environment
9.6/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
23%
Teaching Staff
10:1 student-teacher ratio
110 teachers

Programs & Offerings

AP/IB Programs IB Programme
21.8% participation·477 IB enrolled·CRDC 2020-21

Data as of 2020-21 · Source: CRDC via Urban Institute · Learn more

Performance Trends

Math proficiency has remained stable from 94% (2019) to 96% (2021).

Location

255 UNION AVE, Harrison, NY 10528

Nearby Alternatives

Families considering Harrison High School may also want to explore other high schools in the area. RYE NECK SENIOR HIGH SCHOOL (rated 8.5/10, 2.0 miles away, in nearby Mamaroneck), with a comparable rating. Additionally, ARCHBISHOP STEPINAC HIGH SCHOOL (rated 5.3/10, 2.1 miles away, in nearby White Plains), a more accessible option. For more schools in Harrison, see our Harrison schools guide .

Nearby Schools

20 within 2.5 mi
School Distance Rating
WINDWARD SCHOOL THE White Plains 0.7 mi 7.0
LEFFELL SCHOOL White Plains 1.1 mi 6.9
LOUIS M KLEIN MIDDLE SCHOOL Harrison 1.0 mi 7.2
MAMARONECK AVENUE SCHOOL Mamaroneck 1.6 mi 6.4
HARRISON AVENUE ELEMENTARY SCHOOL Harrison 1.2 mi 8.5
HARRISON AVENUE ELEMENTARY SCHOOL South Glens Falls 1.2 mi 6.8
PARSONS MEMORIAL SCHOOL Harrison 1.4 mi 7.8
RIDGEWAY SCHOOL White Plains 1.8 mi 7.6
F E BELLOWS ELEMENTARY SCHOOL Mamaroneck 1.9 mi 8.2
DANIEL WARREN ELEMENTARY SCHOOL Mamaroneck 1.9 mi 6.5
RYE NECK MIDDLE SCHOOL Mamaroneck 1.9 mi 7.9
GERMAN INTERNATIONAL SCHOOL NEW YORK White Plains 2.2 mi 7.2
ARCHBISHOP STEPINAC HIGH SCHOOL White Plains 2.1 mi 5.3
RIDGEWAY ALLIANCE NURSEY SCHOOL & KINDERGARTEN White Plains 2.2 mi —
FRENCH AMERICAN SCHOOL OF NEW YORK Mamaroneck 2.2 mi 7.6
RYE NECK SENIOR HIGH SCHOOL Mamaroneck 2.0 mi 8.5
OUR LADY OF SORROWS SCHOOL White Plains 2.2 mi 5.8
HEATHCOTE SCHOOL Scarsdale 1.8 mi 8.7
QUAKER RIDGE SCHOOL Scarsdale 2.0 mi 8.5
THE WINDWARD SCHOOL White Plains 2.5 mi 7.4

Neighborhood Census ACS (2019-2023)

Census data for ZIP 10528 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$151,193

Median Home Value

$934,100

Median Rent

$2,683/mo

Population

13,822

College Educated

57.9%

Homeownership

53.8%

Avg Commute

32.3 min

Poverty Rate

6.2%

Median Age

40.8

Community Profile

The community surrounding Harrison High School has a median household income of $151,193. It is a well-educated community where 58% of adults hold a bachelor's degree or higher. The median home value in the area is $934,100, with a median rent of $2,683/month. The local poverty rate of 6.2% is relatively low. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
MINEOLA HIGH SCHOOL Garden City Park, NY 9.1
SEAFORD SENIOR HIGH SCHOOL Seaford, NY 9.1
HALF HOLLOW HILLS HIGH SCHOOL WEST Dix Hills, NY 9.2
WELLINGTON C MEPHAM HIGH SCHOOL Bellmore, NY 9.0
HORACE GREELEY HIGH SCHOOL Chappaqua, NY 8.9
JOHN F KENNEDY HIGH SCHOOL Bellmore, NY 8.9

Frequently Asked Questions

Common questions about Harrison High School

What grades does Harrison High School serve?

Harrison High School serves students in grades 9th through 12th.

How many students attend Harrison High School?

Harrison High School has an enrollment of approximately 1,097 students.

What is the student-teacher ratio at Harrison High School?

The student-teacher ratio at Harrison High School is 10:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Harrison High School rank in NY?

Harrison High School is ranked #50 out of 4,739 schools in NY.

What is Harrison High School's MySchoolScout rating?

Harrison High School has a composite rating of 9.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Harrison High School?

Based on the most recent state assessment data, Harrison High School has 95.0% math proficiency and 98.0% reading/ELA proficiency.

Is Harrison High School a charter school?

No, Harrison High School is not a charter school. It is a traditional public school operated by the local school district.

Is Harrison High School a Title I school?

No, Harrison High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Harrison High School?

23.4% of students at Harrison High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

Explore More Schools

All schools in Harrison, NY Schools in NY HARRISON CENTRAL SCHOOL DISTRICT District 20 nearby schools
11 schools nearby View map →

Neighborhood Context

Walk Score
16 Car-Dependent
Transit Score
27 Some Transit
Bike Score
31 Somewhat Bikeable

Powered by Walk Score

FBI UCR. County-level only.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,097
Student-Teacher Ratio
10:1
Teachers (FTE)
110
Free/Reduced Lunch
23.4%
Type
regular
Setting
Large Suburb
County
Westchester County
Phone
(914) 630-3094
Data Year
2023–2024

Resources & Links

School Website ↗ Google Maps & Reviews ↗ GreatSchools Profile ↗ Niche Reviews ↗ Official NCES Data ↗

District

HARRISON CENTRAL SCHOOL DISTRICT
District Enrollment
3,760
Schools in District
6
Per-Pupil Spending
$35,051
District Rank
#1 of 6

Other Schools in This District

PURCHASE SCHOOL 9.0 HARRISON AVENUE ELEMENTARY SCHOOL 8.5 SAMUEL J PRESTON SCHOOL 8.0 PARSONS MEMORIAL SCHOOL 7.8 LOUIS M KLEIN MIDDLE SCHOOL 7.2

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology
Data sources
NCES CCDSY 2022-23NY EDFACTS2020-21NCES EdFacts2019–2022Census ACS2019-2023CRDC2020–21AI descriptionSchool websiteSynced May 2026MySchoolScout Rankings2024 Full details →

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