Excellent
#279 of 4,739 schools in NY
Top 6% in state
Seaford Harbor School
Elementary School · SEAFORD UNION FREE SCHOOL DISTRICT
3500 BAYVIEW ST, Seaford, NY 11783
Enrollment
564
Student-Teacher
11.5:1
Score
8.5
Grades
Kindergarten – 5th
Enrollment
564
Student-Teacher
11.5:1
Score
8.5
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Seaford
#3 of 5
public schools
New York elementary schools
#194 of 2,549
In district
#3 of 4
SEAFORD UNION FREE SCHOOL DISTRICT
School environment
9.6 / 10
Exceptional
About Seaford Harbor School
Seaford Harbor School is a public elementary school in Seaford, NY, part of the SEAFORD UNION FREE SCHOOL DISTRICT. The school serves approximately 564 students in grades Kindergarten – 5th with a student-teacher ratio of 11.5:1. It holds a MySchoolScout rating of 8.5/10, placing it in the 94.1th percentile among NY schools — an above average rating overall.
Students demonstrate 67% proficiency in math, 19 points above the state average and 69% in reading/language arts, 12 points above the state average. The school scores particularly well in school environment (9.6/10). Located in a neighborhood with a median household income of $164,128, where 46% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
Score Breakdown
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Seaford Harbor School — Students at Seaford Harbor School score 70% proficient, which is below what's typical for similar communities (expected: 72%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
10.3%
Students qualifying for federal meal assistance
Test Scores NY NYSED (2020-21)
Based on 10 test records from NY state assessments. About our data
Proficiency Trend
↑ ImprovingAverage 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: 8.8/10.
How Seaford Harbor School Compares
See how Seaford Harbor School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 62% (2019) to 67% (2021). Reading/ELA proficiency has improved from 62% (2019) to 72% (2021).
Location
3500 BAYVIEW ST, Seaford, NY 11783
Nearby Alternatives
Families considering Seaford Harbor School may also want to explore other elementary schools in the area. SEAFORD MANOR SCHOOL (rated 9.5/10, 2.0 miles away), which scores slightly higher. Another option is WINTHROP AVENUE SCHOOL (rated 8.7/10, 1.4 miles away, in nearby Bellmore), with a very similar rating. Additionally, MARTIN AVENUE ELEMENTARY SCHOOL (rated 8.2/10, 2.0 miles away, in nearby Bellmore), with a comparable rating. For more schools in Seaford, see our Seaford schools guide .
Nearby Schools
20 within 2.8 mi| School | Distance | Rating |
|---|---|---|
| MANDALAY SCHOOL Wantagh | 0.8 mi | 7.8 |
| WANTAGH SCHOOL Wantagh | 1.5 mi | 7.1 |
| JOHN F KENNEDY HIGH SCHOOL Bellmore | 1.4 mi | 8.9 |
| REINHARD EARLY CHILDHOOD CENTER Bellmore | 1.4 mi | 4.1 |
| WINTHROP AVENUE SCHOOL Bellmore | 1.4 mi | 8.7 |
| ST ELIZABETH ANN SETON REGIONAL SCHOOL PK-8 Bellmore | 1.5 mi | 5.8 |
| SEAFORD SENIOR HIGH SCHOOL Seaford | 2.0 mi | 9.1 |
| FAIRFIELD ELEMENTARY SCHOOL Massapequa | 1.6 mi | 6.5 |
| SEAFORD MIDDLE SCHOOL Seaford | 2.0 mi | 6.4 |
| FOREST LAKE SCHOOL Wantagh | 2.0 mi | 6.5 |
| SEAFORD MANOR SCHOOL Seaford | 2.0 mi | 9.5 |
| SHORE ROAD SCHOOL Bellmore | 1.7 mi | 7.4 |
| WANTAGH MIDDLE SCHOOL Wantagh | 2.3 mi | 5.1 |
| WANTAGH SENIOR HIGH SCHOOL Wantagh | 2.3 mi | 8.0 |
| MARTIN AVENUE ELEMENTARY SCHOOL Bellmore | 2.0 mi | 8.2 |
| MARIA REGINA SCHOOL Seaford | 2.6 mi | 6.0 |
| ST ROSE OF LIMA ELEMENTARY SCHOOL Massapequa | 2.2 mi | 6.2 |
| SAW MILL ROAD SCHOOL North Bellmore | 2.7 mi | 7.3 |
| CHARLES E SCHWARTING SCHOOL Massapequa | 2.8 mi | 4.5 |
| MONTESSORI CHILDRENS SCHOOL North Massapequa | 2.8 mi | — |
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 Harbor 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 |
|---|---|
| BABYLON MEMORIAL GRADE SCHOOL Babylon, NY | 8.5 |
| GEORGE A JACKSON SCHOOL Jericho, NY | 8.5 |
| GREENVALE SCHOOL Scarsdale, NY | 8.5 |
| HARRISON AVENUE ELEMENTARY SCHOOL Harrison, NY | 8.5 |
| JAMES H BOYD ELEMENTARY SCHOOL Huntington, NY | 8.5 |
| JOHN M MARSHALL ELEMENTARY SCHOOL East Hampton, NY | 8.5 |
Frequently Asked Questions
Common questions about Seaford Harbor School
What grades does Seaford Harbor School serve?
Seaford Harbor School serves students in grades Kindergarten through 5th.
How many students attend Seaford Harbor School?
Seaford Harbor School has an enrollment of approximately 564 students.
What is the student-teacher ratio at Seaford Harbor School?
The student-teacher ratio at Seaford Harbor School is 11.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Seaford Harbor School rank in NY?
Seaford Harbor School is ranked #279 out of 4,739 schools in NY.
What is Seaford Harbor School's MySchoolScout rating?
Seaford Harbor School has a composite rating of 8.5 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 Harbor School?
Based on the most recent state assessment data, Seaford Harbor School has 67.0% math proficiency and 68.8% reading/ELA proficiency.
Is Seaford Harbor School a charter school?
No, Seaford Harbor School is not a charter school. It is a traditional public school operated by the local school district.
Is Seaford Harbor School a Title I school?
No, Seaford Harbor School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Seaford Harbor School?
10.3% of students at Seaford Harbor 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
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 564
- Student-Teacher Ratio
- 11.5:1
- Teachers (FTE)
- 49
- Free/Reduced Lunch
- 10.3%
- Type
- regular
- Setting
- Large Suburb
- County
- Nassau County
- Phone
- (516) 592-4180
- Data Year
- 2023–2024
Resources & Links
District
SEAFORD UNION FREE SCHOOL DISTRICT- District Enrollment
- 2,184
- Schools in District
- 4
- Per-Pupil Spending
- $32,645
- District Rank
- #3 of 4
Other Schools in This District
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 methodologyRelated reading
- Best Public Schools in New York 2026: Top Districts from NYC to the Suburbsbest schools
- Best Schools in New York, NY — 2026 Rankingsbest schools
- Best States for Public Schools in 2026: A Complete Rankingdata insights
- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Student-Teacher Ratio by State: Complete 2026 Rankingsdata insights
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