Excellent
#50 of 4,742 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
9.2
Grades
9th – 12th
Enrollment
668
Student-Teacher
10.1:1
Score
9.2
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
New York schools
#50 of 4,742
In Seaford
#1 of 5
public schools
In district
#1 of 4
SEAFORD UNION FREE SCHOOL DISTRICT
School environment
9.8 / 10
Excellent
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Seaford Senior High School
High School in Seaford · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Seaford Middle School
0.3 mi away. Use as a geographic alternative in the same move search.
Seaford Manor School
0.4 mi away. Use as a geographic alternative in the same move search.
About Seaford Senior High School
Seaford Senior High School is a public high school in Seaford, NY, part of SEAFORD UNION FREE SCHOOL DISTRICT. Seaford Senior High School serves approximately 668 students, and covers grades 9th-12th, and has a 10.1:1 student-teacher ratio. Seaford Senior High School has a current MySchoolScout rating of 9.2 out of 10 and ranks #50 of 4,742 schools in NY.
Structured state assessment records for Seaford Senior High School show 94% math proficiency (multi-year average, 2009-2021) and 96% reading/ELA proficiency (multi-year average, 2009-2021).
What's said publicly about Seaford Senior High School
Synthesized from public, attributable sources. Updated May 2026.
Sources (1)
- This school 9.2 · Excellent
- NY avg 7.0
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
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Seaford Senior High School — Students at Seaford Senior High School score 98% proficient, which is above what's typical for similar communities (expected: 64%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
14.5%
Students qualifying for federal meal assistance
Test Scores NY EDFACTS (2020-21)
Based on 26 test records from NY state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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: 9.0/10.
How Seaford Senior High School Compares
See how Seaford Senior High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
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. WANTAGH SENIOR HIGH SCHOOL (rated 9.0/10, 1.1 miles away, in nearby Wantagh), with a very similar rating. Another option is GEN DOUGLAS MACARTHUR SENIOR HIGH SCHOOL (rated 8.8/10, 1.4 miles away, in nearby Levittown), with a comparable rating. Additionally, PLAINEDGE SENIOR HIGH SCHOOL (rated 8.6/10, 1.4 miles away, in nearby Massapequa), with a comparable rating. 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 | 7.5 |
| SEAFORD MANOR SCHOOL Seaford | 0.4 mi | 9.0 |
| WANTAGH SCHOOL Wantagh | 0.8 mi | 6.3 |
| MARIA REGINA SCHOOL Seaford | 0.8 mi | 6.0 |
| WANTAGH MIDDLE SCHOOL Wantagh | 1.0 mi | 6.8 |
| CHARLES E SCHWARTING SCHOOL Massapequa | 1.1 mi | 6.2 |
| WANTAGH SENIOR HIGH SCHOOL Wantagh | 1.1 mi | 9.0 |
| EAST BROADWAY SCHOOL Seaford | 1.4 mi | 7.7 |
| MONTESSORI CHILDRENS SCHOOL North Massapequa | 1.1 mi | — |
| GEN DOUGLAS MACARTHUR SENIOR HIGH SCHOOL Levittown | 1.4 mi | 8.8 |
| FOREST LAKE SCHOOL Wantagh | 1.2 mi | 7.7 |
| JONAS E SALK MIDDLE SCHOOL Levittown | 1.5 mi | 8.4 |
| PLAINEDGE SENIOR HIGH SCHOOL Massapequa | 1.4 mi | 8.6 |
| FAIRFIELD ELEMENTARY SCHOOL Massapequa | 1.5 mi | 6.5 |
| LOCKHART ELEMENTARY SCHOOL Massapequa | 1.5 mi | 7.0 |
| SEAFORD HARBOR SCHOOL Seaford | 2.0 mi | 7.7 |
| MHS AMES CAMPUS Massapequa | 1.5 mi | 5.0 |
| GARDINERS AVENUE SCHOOL Levittown | 1.9 mi | 8.5 |
| EASTPLAIN SCHOOL N. Massapequa | 2.1 mi | 5.8 |
| JOHN H WEST SCHOOL Bethpage | 2.3 mi | 6.1 |
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
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| BARD HIGH SCHOOL EARLY COLLEGE QUEENS Long Island City, NY | 9.2 |
| DOBBS FERRY HIGH SCHOOL Dobbs Ferry, NY | 9.2 |
| INDIAN RIVER HIGH SCHOOL Philadelphia, NY | 9.2 |
| KINGS PARK HIGH SCHOOL Kings Park, NY | 9.2 |
| RYE HIGH SCHOOL Rye, NY | 9.2 |
| RYE NECK SENIOR HIGH SCHOOL Mamaroneck, NY | 9.2 |
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 ranks #50 of 4,742 schools in NY.
What is Seaford Senior High School's MySchoolScout rating?
Seaford Senior High School has a current MySchoolScout rating of 9.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Seaford Senior High School?
Based on loaded state assessment records, Seaford Senior High School has 94% math proficiency (multi-year average, 2009-2021) and 96% reading/ELA proficiency (multi-year average, 2009-2021).
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.
Neighborhood Context
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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
- Chronic Absenteeism (SY 2022-23)
- 6.1%
- Phone
- (516) 592-4380
- 4-Year Graduation
- 95%+
Resources & Links
District
SEAFORD UNION FREE SCHOOL DISTRICT- District Enrollment
- 2,184
- Schools in District
- 4
- Per-Pupil Spending
- $32,645
- District Rank
- #1 of 4
Other Schools in This District
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
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