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Excellent

#61 of 4,739 schools in NY

Top 1% in state

Seaford Senior High School

High School · SEAFORD UNION FREE SCHOOL DISTRICT

1575 SEAMANS NECK RD, Seaford, NY 11783

Enrollment

668

Student-Teacher

10.1:1

Score

9.1

Grades

9th – 12th

Updated 2022-23

How this school compares

In Seaford

#2 of 5

public schools

New York high schools

#8 of 1,160

In district

#2 of 4

SEAFORD UNION FREE SCHOOL DISTRICT

Academic performance

9.6 / 10

Exceptional

About Seaford Senior High School

Seaford Senior High School earns a composite score of 9.1 out of 10 — a designation of Exceptional — and ranks #8 among all 1,160 public high schools in New York. For a state with 4,739 ranked public schools across all levels, that standing puts Seaford Senior High well into the top fraction of the state's entire public school system. The school serves 668 students in grades 9 through 12.

The academic score of 9.6 out of 10 is the school's strongest dimension. A student-teacher ratio of 10.1 to 1 keeps class sizes manageable across all four grade levels, and growth scores of 7.8 out of 10 confirm students are advancing at a strong pace year over year. Seaford Senior High outperforms 99% of New York public schools.

Holding the #61 spot in the full statewide ranking — across every school type and district — the school's data is consistent across all three performance dimensions MySchoolScout measures: academic outcomes, growth, and school environment. Parents comparing high schools across New York will find few public alternatives with a stronger all-around profile.

What's said publicly about Seaford Senior High School

Sources: School's website

Synthesized from public, attributable sources. Updated May 2026.

Seaford High School students Jonathan DiPietro and Matthew Allen received the Nassau County Comptroller Math, Accounting and Finance Award for their academic performance 1 . The Seaford School District was named one of the Best Communities for Music Education by the NAMM Foundation for the seventh consecutive year, a national recognition of its music program 1 . The district hosted its first Habits of Mind Conference at Seaford High School, where educators from Long Island and South Carolina attended to learn about the district's social and emotional learning program 1 . In the Class of 2026, 53 seniors earned the New York State Seal of Biliteracy, marking the highest number of recipients since the designation was introduced in 2022 1 . This group represents nearly one-third of the graduating class 1 . The school also scheduled AP exams and a college athlete signing event in May 2026 1 .
Sources (1)
  1. www.seaford.k12.ny.us
Generated by AI from public sources. Every claim is grounded in a cited source. Report inaccuracy

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.8Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change+1.38 pts/yr
Data Period2019–2021
TrendImproving
Academics9.6Exceptional25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency97.5%
Reading/ELA Proficiency97.5%
Overall Proficiency98%
Expected (poverty-adj.)71%
vs. Expected+27.0 pts
Adjusted Percentile94th
College Readiness9.3Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation43.9%
IB ProgramNo
Resources & Environment9.6Exceptional20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio10.1:1
Per-Pupil Spending$31,626

Seaford Senior High School — Students at Seaford Senior High School score 98% proficient, which is above what's typical for similar communities (expected: 71%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

14.5%

Students qualifying for federal meal assistance

Test Scores NY EDFACTS (2020-21)

Math Proficiency 94.8%
School
State
N/A
ELA Proficiency 97.5%
School
State
N/A

Based on 4 test records from NY state assessments. About our data

Proficiency Trend

↑ Improving

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

2019
Math
92%
ELA
97.5%
2021*
Math
97.5%
ELA
97.5%

* 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: 7.8/10.

How Seaford Senior High School Compares

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

Overall Score
9.1/10
99th percentile in NY
Academic
9.6/10
9.6/10
Growth
7.8/10
Above average
Environment
9.6/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
15%
Teaching Staff
10:1 student-teacher ratio
66 teachers

Performance Trends

Math proficiency has improved from 92% (2019) to 97.5% (2021). Reading/ELA proficiency has remained stable from 97.5% (2019) to 97.5% (2021).

Location

1575 SEAMANS NECK RD, Seaford, NY 11783

Nearby Alternatives

Families considering Seaford Senior High School may also want to explore other high schools in the area. PLAINEDGE SENIOR HIGH SCHOOL (rated 8.2/10, 1.4 miles away, in nearby Massapequa), with a comparable rating. Another option is WANTAGH SENIOR HIGH SCHOOL (rated 8.0/10, 1.1 miles away, in nearby Wantagh), a more accessible option. Additionally, GEN DOUGLAS MACARTHUR SENIOR HIGH SCHOOL (rated 7.6/10, 1.4 miles away, in nearby Levittown), a more accessible option. For more schools in Seaford, see our Seaford schools guide .

Nearby Schools

20 within 2.3 mi
School Distance Rating
SEAFORD MIDDLE SCHOOL Seaford 0.3 mi 6.4
SEAFORD MANOR SCHOOL Seaford 0.4 mi 9.5
WANTAGH SCHOOL Wantagh 0.8 mi 7.1
MARIA REGINA SCHOOL Seaford 0.8 mi 6.0
WANTAGH MIDDLE SCHOOL Wantagh 1.0 mi 5.1
CHARLES E SCHWARTING SCHOOL Massapequa 1.1 mi 4.5
WANTAGH SENIOR HIGH SCHOOL Wantagh 1.1 mi 8.0
EAST BROADWAY SCHOOL Seaford 1.4 mi 8.1
MONTESSORI CHILDRENS SCHOOL North Massapequa 1.1 mi —
GEN DOUGLAS MACARTHUR SENIOR HIGH SCHOOL Levittown 1.4 mi 7.6
FOREST LAKE SCHOOL Wantagh 1.2 mi 6.5
JONAS E SALK MIDDLE SCHOOL Levittown 1.5 mi 6.1
PLAINEDGE SENIOR HIGH SCHOOL Massapequa 1.4 mi 8.2
FAIRFIELD ELEMENTARY SCHOOL Massapequa 1.5 mi 6.5
LOCKHART ELEMENTARY SCHOOL Massapequa 1.5 mi 9.1
SEAFORD HARBOR SCHOOL Seaford 2.0 mi 8.5
MHS AMES CAMPUS Massapequa 1.5 mi 6.6
GARDINERS AVENUE SCHOOL Levittown 1.9 mi 8.4
EASTPLAIN SCHOOL N. Massapequa 2.1 mi 7.3
JOHN H WEST SCHOOL Bethpage 2.3 mi 7.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 11783 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$164,128

Median Home Value

$626,700

Median Rent

$2,806/mo

Population

21,588

College Educated

45.8%

Homeownership

93.3%

Avg Commute

37.6 min

Poverty Rate

2.9%

Median Age

41.4

Community Profile

The community surrounding Seaford Senior High School has a median household income of $164,128. It is a well-educated community where 46% of adults hold a bachelor's degree or higher. The median home value in the area is $626,700, with a median rent of $2,806/month. The local poverty rate of 2.9% is relatively low. The average commute in the area is 38 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
IRVINGTON HIGH SCHOOL Irvington, NY 9.1
BRIARCLIFF HIGH SCHOOL Briarcliff Manor, NY 8.9
CELIA CRUZ BRONX HIGH SCHOOL OF MUSIC (THE) Bronx, NY 8.9
DOBBS FERRY HIGH SCHOOL Dobbs Ferry, NY 8.9
KINGS PARK HIGH SCHOOL Kings Park, NY 8.9
NEW PALTZ SENIOR HIGH SCHOOL New Paltz, NY 8.9

Frequently Asked Questions

Common questions about Seaford Senior High School

What grades does Seaford Senior High School serve?

Seaford Senior High School serves students in grades 9th through 12th.

How many students attend Seaford Senior High School?

Seaford Senior High School has an enrollment of approximately 668 students.

What is the student-teacher ratio at Seaford Senior High School?

The student-teacher ratio at Seaford Senior High School is 10.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Seaford Senior High School rank in NY?

Seaford Senior High School is ranked #61 out of 4,739 schools in NY.

What is Seaford Senior High School's MySchoolScout rating?

Seaford Senior 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 Seaford Senior High School?

Based on the most recent state assessment data, Seaford Senior High School has 94.8% math proficiency and 97.5% reading/ELA proficiency.

Is Seaford Senior High School a charter school?

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

Is Seaford Senior High School a Title I school?

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

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

14.5% of students at Seaford Senior 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 Seaford, NY Schools in NY SEAFORD UNION FREE SCHOOL DISTRICT District 20 nearby schools
11 schools nearby View map →

Neighborhood Context

Walk Score
29 Car-Dependent
Bike Score
33 Somewhat Bikeable
County Safety
Elevated (982/100K)

Powered by Walk Score

FBI UCR 2024. County-level only. Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
668
Student-Teacher Ratio
10.1:1
Teachers (FTE)
66
Free/Reduced Lunch
14.5%
Type
regular
Setting
Large Suburb
County
Nassau County
Phone
(516) 592-4380
Data Year
2023–2024

Resources & Links

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

District

SEAFORD UNION FREE SCHOOL DISTRICT
District Enrollment
2,184
Schools in District
4
Per-Pupil Spending
$32,645
District Rank
#2 of 4

Other Schools in This District

SEAFORD MANOR SCHOOL 9.5 SEAFORD HARBOR SCHOOL 8.5 SEAFORD MIDDLE SCHOOL 6.4

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 ACS2019-2023AI descriptionSchool websiteSynced May 2026MySchoolScout Rankings2024 Full details →

Related reading

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