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SCHOOL COMMUNITY·JERICHO UNION FREE SCHOOL DISTRICT·NCES 361581002040

JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL

137 LEAHY ST, JERICHO, NY 11753 · (516) 203-3630 · Nassau County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL278 STUDENTS
Enrollment
278
Elementary
DISTRICT 382 · STATE 443
Student : Teacher
12.2:1
23 FTE teachers
DISTRICT 12.7:1 · STATE 12.8:1
Free / Reduced Lunch
13%
36 students
DISTRICT 18% · STATE 58%
Community
0
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
49
Grade 1
40
Grade 2
45
Grade 3
38
Grade 4
50
Grade 5
56
Student demographics
White
6323%
DISTRICT 17% · STATE 39%
Hispanic
114%
DISTRICT 4% · STATE 31%
Black
73%
DISTRICT 2% · STATE 16%
Asian
18868%
DISTRICT 75% · STATE 10%
Two+
83%
DISTRICT 2% · STATE 4%
Pacific Islander
10%
DISTRICT 0% · STATE 0%
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
15255%
Female
12645%

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
95.0%
NY avg 58.3% . +12.0pp since 2023
Math
97.0%
NY avg 57.4% . +3.0pp 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
90.1%
composite math + reading, all grades
Predicted
70.2%
based on NY schools with similar FRL share
Beats by
+19.9pp
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
278
-14 (-5%) vs 2017
Student : Teacher
12.2:1
was 8.8:1
% White
23%
was 52%
% Hispanic
4%
was 4%
% Black
3%
was 0%
% Asian
68%
was 42%
Source: NCES Common Core of Data

About JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL

JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is a modestly sized K-5 school in JERICHO, New York, run under JERICHO UNION FREE SCHOOL DISTRICT. The school enrolls 278 students in grades K through 5. That puts it 37% leaner than the typical public school in New York, which averages around 443 students.

JERICHO UNION FREE SCHOOL DISTRICT runs 5 schools in total, collectively educating 3,231 students. JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is one of those campuses.

On demographics, JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL lists that the largest single group is Asian, at 68% of enrollment. Beyond that, the school records 23% White, 4% Hispanic, 3% multiracial, 3% Black. By comparison, Nassau County as a whole is about 12% Asian, so the school skews visibly more Asian than its surroundings.

On the resource side, The school lists 23 full-time-equivalent teachers, for a student-teacher ratio near 12.2:1. That tracks the state average closely. Roughly 13% of students at JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Nassau County (around 31%), the school's rate is south of typical.

On a residual basis (actual vs predicted given the student mix), JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 70.2%; this one delivers 90.1%.

In the broader community, the surrounding county (Nassau County) shows that the typical household earns roughly $146,202 per year, about 50% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 4%. In all, Nassau County runs 315 public schools (combined enrollment of about 200,775 students), of which JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is one.

CANTIAGUE ELEMENTARY SCHOOL is the nearest neighboring public school, about 0.7 miles from this campus. Counting just inside five miles, 8 other public schools cluster around JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL. On composite proficiency, JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL comes 2nd of 9 in the immediate cluster, ahead of the nearby-schools average of 75.9%.

The school occupies an outer-ring site.

Five-year trend. JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL's enrollment has ticked down 5% since 2018, when it stood at 292 (now 278). White enrollment moved from 52% to 23% across the same window. Class-load math has rose: from 8.8:1 in 2018 to 12.2:1 in 2025.

Inside the community feed, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.

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
JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL
District
JERICHO UNION FREE SCHOOL DISTRICT
Address
137 LEAHY ST, JERICHO, NY 11753
Phone
(516) 203-3630
County
Nassau County
Level
Elementary
Grade range
KG–05
Total enrollment
278
Teachers (FTE)
23
Student–teacher ratio
12.2:1
Free/Reduced lunch
36 (13%)
Locale
21-Suburb: Large
NCES ID
361581002040
Charter school
No
Virtual school
No

Related schools

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

Frequently asked questions

About JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL
What is the total enrollment at JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL?
JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL enrolls approximately 278 students in grades KG-05.
Is JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL an elementary, middle, or high school?
JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is an elementary school covering grades KG-05.
What is the student-teacher ratio at JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL?
The student-to-teacher ratio at JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is approximately 12.2:1 (23 FTE teachers).
What is the racial breakdown of students at JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL?
At JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL, the student body is approximately 23% White, 4% Hispanic, 3% Black, 68% Asian, 3% Two or more.
Who oversees JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL?
JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is overseen by JERICHO UNION FREE SCHOOL DISTRICT in Nassau County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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