Enrollment
544
New York · 2024-25 NCES data
Elementary school (grades K-5) · Seaford, NY
Seaford Harbor School
Federal NCES profile for Seaford Harbor School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataElementary school (grades K-5)NCES 362640003617
👥 S:T ratio 55
🌟 Gifted program 30
📋 Attendance 56
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Seaford Harbor School earns 47/100 on the Resource Investment Index, with class sizes near the New York median.
- #2 of 3
- elementary schools in Seaford · Resource Index
- 47
- Resource Index · Typical
- 11.3:1
- students per teacher
- 9.8%
- free-lunch eligible
Seaford Harbor School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Seaford Harbor School ranks #2 of 3 elementary schools in Seaford, NY.
School address
District: Seaford Union Free School District · New York
NCES ID 362640003617 Verify on NCES CCD record →
Teachers (FTE)
48.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 11.8:1 New York avg
-4% vs state
Free-lunch eligible
9.8%
vs 56.2% New York avg
-83% vs state
Student-teacher ratio in context
How Seaford Harbor School compares with New York and U.S. medians
What stands out at Seaford Harbor School
Seaford Harbor School is a lower-poverty, mid-sized elementary school in Seaford, New York, enrolling 544 students.
At 11.3:1, its student-teacher ratio sits close to the New York median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 9.8% free-meal eligibility runs 83% below the New York average.
Enrollment of 544 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 458 statewide peers matched on enrollment and economic need, it ranks mid-pack at #235.
Its student body is predominantly White (82% of enrollment) (diversity index 31/100).
17.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Seaford Union Free School District also operates Seaford Senior High School (650 students) and Seaford Middle School (522 students) alongside Seaford Harbor School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Seaford Harbor School compares
Seaford Harbor School on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.3:1 | ▼ 4% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 9.8% | ▼ 83% | 56.2% | 51.7% |
| Enrollment | 544 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.3:1
Leaner classes than 81% of US schools, among the more generously staffed nationally.
544
Bigger than 67% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
9.8%
free-lunch eligible
- 83% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.3:1
students per teacher
- 4% below state mean
Top 49% in New York - lower ratio than 51% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
17.5%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$31,380
per pupil, district-wide
- above New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 0 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.2 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 82.0%
Hispanic or Latino 12.5%
Asian 2.8%
Two or More 2.6%
African American 0.2%
Largest group: White at 82.0% of enrollment.
Student-body diversity index 31.1/100
Simpson diversity index - at 31.1, Seaford Harbor School is less mixed than the New York school average of 45.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Seaford Union Free School District, which includes Seaford Harbor School.
$31,380
Per student
+19%
vs New York
Avg $26,410
+89%
vs U.S.
Avg $16,593
Revenue mix
Local 68.8%
State 26.3%
Federal 4.9%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Seaford Harbor School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Seaford Senior High School | Similar size | Similar economic need | Lower S:T ratio |
| Seaford Middle School | Similar size | Similar economic need | Lower S:T ratio |
| Seaford Manor School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Seaford Harbor School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 650
- Students per teacher
- 9.6:1
- Resource Index
- 60/100
- Enrollment
- 522
- Students per teacher
- 9.2:1
- Resource Index
- 60/100
- Enrollment
- 468
- Students per teacher
- 11.4:1
- Resource Index
- 40/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~544 students)
Next steps
Verify locally before acting on Seaford Harbor School's federal record.
- Compare Seaford Harbor School against another school. Compare schools
- Seaford Union Free School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Seaford Harbor School
How many students attend Seaford Harbor School?
Seaford Harbor School has 544 students enrolled. It is an elementary school in Seaford, NY.
What is the student-teacher ratio at Seaford Harbor School?
The student-teacher ratio at Seaford Harbor School is 11.3:1, which is 4% lower than the New York average of 11.8:1 and 28% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Seaford Harbor School?
9.8% of students at Seaford Harbor School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Seaford Harbor School?
The largest demographic group at Seaford Harbor School is White at 82.0% of enrollment, in Seaford, NY.
What is the Resource Investment Index for Seaford Harbor School?
Seaford Harbor School has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Seaford Harbor School rank among elementary schools in Seaford?
By Resource Investment Index, Seaford Harbor School ranks #2 of 3 elementary schools in Seaford, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Seaford on the city page.
Is Seaford Harbor School a good school?
Seaford Harbor School earns 47/100 on the Resource Investment Index, with class sizes near the New York median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Seaford Union Free School District?
Besides Seaford Harbor School, Seaford Union Free School District also operates Seaford Senior High School (650 students), Seaford Middle School (522 students), and Seaford Manor School (468 students). See the Seaford Union Free School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.