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SCHOOL COMMUNITY·SEAFORD UNION FREE SCHOOL DISTRICT·NCES 362640003617

SEAFORD HARBOR SCHOOL

3500 BAYVIEW ST, SEAFORD, NY 11783 · (516) 592-4180 · Nassau County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL544 STUDENTS
B-
allk12 Grade
Scored higher than 54% of New York public elementary schools
  • B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public elementary schools

Enrollment
544
Elementary
DISTRICT 506 · STATE 443
Student : Teacher
10.6:1
51 FTE teachers
DISTRICT 10.5:1 · STATE 12.8:1
Free / Reduced Lunch
10%
57 students
DISTRICT 12% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten8816%
Grade 18616%
Grade 28516%
Grade 310319%
Grade 48115%
Grade 510119%

This year's kindergarten class (88) is 13% smaller than its 5th grade class (101).

Student demographics
31%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 32% · STATE 72% · US 70%
White
44682%
DISTRICT 82% · STATE 39% · US 43%
Hispanic
6813%
DISTRICT 11% · STATE 31% · US 30%
Black
10%
DISTRICT 1% · STATE 16% · US 15%
Asian
153%
DISTRICT 4% · STATE 10% · US 6%
Two+
143%
DISTRICT 2% · STATE 4% · US 5%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
28051%
Female
26449%

School pathway

Students here typically continue to
SEAFORD HARBOR SCHOOL→SEAFORD MIDDLE SCHOOL→SEAFORD SENIOR HIGH SCHOOL
Based on grade levels within SEAFORD UNION FREE SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
64.0%
NY avg 58.3% . +11.0pp since 2023
Math
79.0%
NY avg 57.4% . +18.0pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 64 of every 100 students at this school read and write at grade level and about 79 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are up about 11 points since 2023, while math scores are up about 18 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2564.0%79.0%
2023-2453.0%61.0%
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
60.0%
composite math + reading, all grades
Predicted
71.1%
based on NY schools with similar FRL share
Beats by
-11.1pp
below demographic expectation

What this means: About 60% of students here test proficient in math and reading, compared with the roughly 71% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like SEAFORD HARBOR SCHOOL

SEAFORD HARBOR SCHOOL's state test result (60.0% proficient) is higher than 5 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
SEAFORD HARBOR SCHOOL this school54410.5%60.0%
FAIRFIELD ELEMENTARY SCHOOL
MASSAPEQUA
5139.2%55.4%
CHARLES E SCHWARTING SCHOOL
MASSAPEQUA
5248.0%58.9%
EAST LAKE ELEMENTARY SCHOOL
MASSAPEQUA PARK
5237.1%56.6%
ACCOMPSETT ELEMENTARY SCHOOL
SMITHTOWN
52314.0%53.8%
MCKENNA ELEMENTARY SCHOOL
MASSAPEQUA PARK
4857.8%53.8%
Matched among New York elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where SEAFORD HARBOR SCHOOL ranks

Among elementary schools
MeasureThis schoolIn New YorkIn Nassau County
State test proficiency
ranked highest first
60.0%#741 of 2,335#110 of 172
Math proficiency
ranked highest first
79.0%#390 of 2,342
▲ 511
#70 of 172
▲ 59
Reading proficiency
ranked highest first
64.0%#776 of 2,343
▼ 4
#111 of 172
▼ 4
Enrollment
ranked largest first
544#654 of 2,585#44 of 193
Students per teacher
ranked fewest first
10.6:1#661 of 2,338#53 of 184
Diversity index
ranked most diverse first
31.1%#1,858 of 2,388#174 of 184
Free and reduced lunch
ranked highest share first
10.5%#2,427 of 2,534#151 of 193
Enrollment change since 2017-18
ranked steepest decline first
-5.6%#1,437 of 1,757#82 of 116
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
544
-12 (-2%) vs 2020
+7% since 1990-91, when it was 510
Student : Teacher
10.6:1
was 11.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2554451.110.6:110% (57)
2023-2456449.311.4:110% (58)
2022-2356148.811.5:111% (59)
2020-215564911.3:110% (55)
2017-185764612.5:110% (58)
2015-165804413.2:111% (64)
2010-115914612.8:15% (32)
2000-016724016.8:12% (14)
1990-915103017.0:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for SEAFORD HARBOR SCHOOL.

About SEAFORD HARBOR SCHOOL

SEAFORD HARBOR SCHOOL is a medium-sized elementary school for students in SEAFORD, New York. A federal count lists 544 students at the school, in kindergarten through 5. An average school in this group (elementary schools in New York) has about 443 students.

The district for SEAFORD HARBOR SCHOOL is SEAFORD UNION FREE SCHOOL DISTRICT, with 4 schools and 2,184 students.

At SEAFORD HARBOR SCHOOL, White students make up 82% of the student body. Smaller groups are 13% Hispanic, 3% Asian, and 3% multiracial. County-wide, 57% of Nassau County residents are White. By the diversity index, SEAFORD HARBOR SCHOOL comes in at 31%.

Teachers at the school number 51.1 full-time equivalents, and the ratio is 10.6:1. Among elementary schools in New York, the typical ratio is 12.8:1. The school's lunch program data list 10% of students as eligible for free or reduced-price meals. It compares with 31% for public schools in Nassau County.

The allk12 Grade for SEAFORD HARBOR SCHOOL is B-. Compared with New York public elementary schools, the school scored higher than 54% on a mix of test scores, poverty-adjusted results, and recent trend.

SEAFORD HARBOR SCHOOL sits between the top and bottom 10% of New York schools on BeatsExpectations, with an actual average proficiency rate on state tests of 60.0% and a predicted 71.1%.

County data help place the school in context: in Nassau County, median household income is about $146,202, about 50% of adults have at least a bachelor's degree, and the poverty rate is about 4%. SEAFORD HARBOR SCHOOL is among the 315 public schools in Nassau County.

The closest public school to SEAFORD HARBOR SCHOOL is MANDALAY SCHOOL, about 0.8 miles away. Other public schools within five miles number at least 8. SEAFORD HARBOR SCHOOL comes in 6th of 8 nearby schools on average proficiency.

SEAFORD HARBOR SCHOOL is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more, a location NCES labels Suburb: Large.

Over 4 years, enrollment stayed close to where it was, going from 556 to 544.

If you have questions about science fairs, picture day, and bus routes at SEAFORD HARBOR SCHOOL, you can post them here. Anyone with firsthand experience at this school can post or comment.

Nassau County at a glance

View full county profile
Population
1,389,591
Census ACS
Median income
$146,202
Household, ACS
Bachelor's+
50%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
315
200,775 students

Quick facts

School name
SEAFORD HARBOR SCHOOL
District
SEAFORD UNION FREE SCHOOL DISTRICT
Address
3500 BAYVIEW ST, SEAFORD, NY 11783
Phone
(516) 592-4180
County
Nassau County
Level
Elementary
Grade range
KG–05
Total enrollment
544
Teachers (FTE)
51
Student–teacher ratio
10.6:1
Free and reduced lunch
57 (10%)
Locale
21-Suburb: Large
NCES ID
362640003617
Charter school
No
Virtual school
No

Related schools

Other schools in SEAFORD UNION FREE SCHOOL DISTRICT
Other schools in SEAFORD
Nearby schools

Frequently asked questions

About SEAFORD HARBOR SCHOOL
What is the total enrollment at SEAFORD HARBOR SCHOOL?
SEAFORD HARBOR SCHOOL enrolls approximately 544 students in grades KG-05.
Is SEAFORD HARBOR SCHOOL an elementary, middle, or high school?
SEAFORD HARBOR SCHOOL is an elementary school covering grades KG-05.
What is the student-teacher ratio at SEAFORD HARBOR SCHOOL?
The student-to-teacher ratio at SEAFORD HARBOR SCHOOL is approximately 10.6:1 (51 FTE teachers).
What is the racial breakdown of students at SEAFORD HARBOR SCHOOL?
At SEAFORD HARBOR SCHOOL, the student body is approximately 82% White, 13% Hispanic, 0% Black, 3% Asian, 3% Two or more.
What district is SEAFORD HARBOR SCHOOL in?
SEAFORD HARBOR SCHOOL is part of SEAFORD UNION FREE SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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