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SCHOOL COMMUNITY·SEAFORD UNION FREE SCHOOL DISTRICT·NCES 362640003619

SEAFORD MANOR SCHOOL

1590 WASHINGTON AVE, SEAFORD, NY 11783 · (516) 592-4080 · Nassau County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL468 STUDENTS
Enrollment
468
Elementary
DISTRICT 506 · STATE 443
Student : Teacher
10.3:1
45 FTE teachers
DISTRICT 10.5:1 · STATE 12.8:1
Free / Reduced Lunch
11%
51 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
Kindergarten
86
Grade 1
81
Grade 2
79
Grade 3
85
Grade 4
55
Grade 5
80
Ungraded
2
Student demographics
White
35776%
DISTRICT 82% · STATE 39%
Hispanic
6313%
DISTRICT 11% · STATE 31%
Black
10%
DISTRICT 1% · STATE 16%
Asian
276%
DISTRICT 4% · STATE 10%
Two+
174%
DISTRICT 2% · STATE 4%
Native American
31%
DISTRICT 0% · STATE 1%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
24051%
Female
22849%

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
81.0%
NY avg 58.3% . +17.0pp since 2023
Math
77.0%
NY avg 57.4% . +0.0pp since 2023
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
73.0%
composite math + reading, all grades
Predicted
71.0%
based on NY schools with similar FRL share
Beats by
+2.0pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
468
+68 (+17%) vs 2017
Student : Teacher
10.3:1
was 12.5:1
% White
76%
was 93%
% Hispanic
13%
was 4%
% Black
0%
was 0%
% Asian
6%
was 2%
Source: NCES Common Core of Data

About SEAFORD MANOR SCHOOL

As a mid-tier elementary school in SEAFORD, New York, SEAFORD MANOR SCHOOL works with 468 students from grades K through 5, run under SEAFORD UNION FREE SCHOOL DISTRICT.

SEAFORD UNION FREE SCHOOL DISTRICT comprises 4 schools with combined enrollment of 2,184 students; SEAFORD MANOR SCHOOL is among them.

In terms of who attends, SEAFORD MANOR SCHOOL logs that 76% of the student body identifies as White. The remainder reads as 13% Hispanic, 6% Asian, 4% multiracial. The wider county runs roughly 57% White, putting the school's mix visibly more White than the area baseline.

On the resource side, The school currently runs with 45 full-time-equivalent teachers, for a student-teacher ratio near 10.3:1. That figure is tighter than the state norm's 12.8:1 average. An estimated 11% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is south of Nassau County's rate of about 31%.

With demographic context factored in, SEAFORD MANOR SCHOOL tracks the demographic baseline. The model predicts 71.0% given the school's FRL share; actual proficiency is 73.0%.

Around the school, ACS estimates for Nassau County put median household earnings sit near $146,202, roughly 50% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. In all, Nassau County runs 315 public schools (combined enrollment of about 200,775 students), of which SEAFORD MANOR SCHOOL is one.

SEAFORD MIDDLE SCHOOL is the nearest neighboring public school, about 0.1 miles from this campus. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), SEAFORD MANOR SCHOOL ranks 4th on composite proficiency, above the local average of 71.3%.

The school occupies a bedroom-community site.

Over the past 7-year window. Over the past 7-year window, the student count climbed 17%: 400 students in 2018 compared to 468 in 2025. White enrollment moved from 93% to 76% across the same window. Class-load math has fell: from 12.5:1 in 2018 to 10.3:1 in 2025.

On the community side, posts here usually surface around enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.

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 MANOR SCHOOL
District
SEAFORD UNION FREE SCHOOL DISTRICT
Address
1590 WASHINGTON AVE, SEAFORD, NY 11783
Phone
(516) 592-4080
County
Nassau County
Level
Elementary
Grade range
KG–05
Total enrollment
468
Teachers (FTE)
45
Student–teacher ratio
10.3:1
Free/Reduced lunch
51 (11%)
Locale
21-Suburb: Large
NCES ID
362640003619
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 MANOR SCHOOL
How many students attend SEAFORD MANOR SCHOOL?
SEAFORD MANOR SCHOOL enrolls approximately 468 students in grades KG-05.
Is SEAFORD MANOR SCHOOL an elementary, middle, or high school?
SEAFORD MANOR SCHOOL is an elementary school covering grades KG-05.
How many teachers does SEAFORD MANOR SCHOOL have?
SEAFORD MANOR SCHOOL employs 45 FTE teachers, for a student-to-teacher ratio of 10.3:1.
What is the student diversity at SEAFORD MANOR SCHOOL?
Student demographics at SEAFORD MANOR SCHOOL are roughly 76% White, 13% Hispanic, 0% Black, 6% Asian, 4% Two or more.
What district is SEAFORD MANOR SCHOOL in?
SEAFORD MANOR 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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