Enrollment
278
Elementary
DISTRICT 382 · STATE 443
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
A+
allk12 Grade
Scored higher than 96% of New York public elementary schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
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
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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 49 | 18% |
| Grade 1 | 40 | 14% |
| Grade 2 | 45 | 16% |
| Grade 3 | 38 | 14% |
| Grade 4 | 50 | 18% |
| Grade 5 | 56 | 20% |
This year's kindergarten class (49) is 13% smaller than its 5th grade class (56).
Student demographics
49%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 41% · STATE 72% · US 70%
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
School pathway
Students here typically continue to
Based on grade levels within JERICHO UNION FREE SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
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START A DISCUSSIONTest 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
What this means: On the NYS Assessments, New York's statewide test, about 95 of every 100 students at this school read and write at grade level and about 97 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 12 points since 2023, while math scores are up about 3 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 95.0% | 97.0% |
| 2023-24 | 83.0% | 94.0% |
% 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 · methodologyTier
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
What this means: About 90% of students here test proficient in math and reading, compared with the roughly 70% 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 JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL
JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL's state test result (90.1% proficient) is higher than 4 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL this school | 278 | 12.9% | 90.1% |
| EARLY CHILDHOOD CENTER NEW HYDE PARK | 304 | 15.5% | N/A |
| MANOR OAKS WILLIAM BOWIE SCHOOL NEW HYDE PARK | 320 | 9.1% | 80.0% |
| VILLAGE ELEMENTARY SCHOOL SYOSSET | 379 | 12.4% | 84.8% |
| SOUTH GROVE ELEMENTARY SCHOOL SYOSSET | 433 | 19.6% | 85.2% |
| WILLITS ELEMENTARY SCHOOL SYOSSET | 298 | 16.4% | 88.7% |
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 JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL ranks
Among elementary schools| Measure | This school | In New York | In Nassau County |
|---|---|---|---|
| State test proficiency ranked highest first | 90.1% | #39 of 2,335 | #2 of 172 |
| Math proficiency ranked highest first | 97.0% | #45 of 2,342 ▲ 32 | #2 of 172 ▲ 2 |
| Reading proficiency ranked highest first | 95.0% | #29 of 2,343 ▲ 47 | #2 of 172 ▲ 1 |
| Enrollment ranked largest first | 278 | #2,112 of 2,585 | #170 of 193 |
| Students per teacher ranked fewest first | 12.2:1 | #1,325 of 2,338 | #116 of 184 |
| Diversity index ranked most diverse first | 48.8% | #1,294 of 2,388 | #128 of 184 |
| Free and reduced lunch ranked highest share first | 12.9% | #2,388 of 2,534 | #142 of 193 |
| Enrollment change since 2017-18 ranked steepest decline first | -4.8% | #1,489 of 1,757 | #90 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 2024-25Enrollment
278
0 (0%) vs 2020
-40% since 2000-01, when it was 464
Student : Teacher
12.2:1
was 10.3:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 278 | 22.9 | 12.2:1 | 13% (36) |
| 2023-24 | 275 | 20.7 | 13.3:1 | 8% (23) |
| 2022-23 | 291 | 24 | 12.1:1 | 9% (26) |
| 2020-21 | 278 | 27 | 10.3:1 | 8% (22) |
| 2017-18 | 292 | 33 | 8.8:1 | 2% (5) |
| 2015-16 | 338 | 34 | 9.9:1 | 1% (4) |
| 2010-11 | 309 | 38 | 8.1:1 | 1% (3) |
| 2000-01 | 464 | 38 | 12.2:1 | 0% (1) |
Source: NCES Common Core of Data. Rows are the federal collections on file for JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL.
About JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL
JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is an elementary school located in JERICHO, New York, in Nassau County. It teaches 278 students in kindergarten through 5. That is 37% below the average of about 443 students for elementary schools in New York.
JERICHO UNION FREE SCHOOL DISTRICT counts 3,231 students in its 5 schools, and JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is one of them.
More than half of enrollment at JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is Asian: 68%. The next largest groups are 23% White, 4% Hispanic, 3% multiracial, and 3% Black. The school's Asian share is 55 points above the 12% share among Nassau County residents. The diversity index for JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is 49%. For US public schools as a whole it is 70%.
Staffing at JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL comes to 22.9 full-time-equivalent teachers, or 12.2:1. The 12.8:1 average for elementary schools in New York is close to this figure. JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL counts 13% of students as eligible for free or reduced-price lunch. The gap from the 31% average for public schools in Nassau County is 18 points.
Among New York public elementary schools, JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL outscored 96%, which works out to an A+ on the allk12 Grade.
JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL's actual average proficiency rate across its state test results (90.1%) and its predicted rate (70.2%) put it outside the top and bottom 10% of New York schools.
In Nassau County, home to about 1,389,591 people, median household income comes to about $146,202, the share of adults with a bachelor's degree or higher is 50%, and about 4% of people live in poverty. Nassau County's 315 public schools enroll about 200,775 students and include JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL.
JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL's nearest public school is CANTIAGUE ELEMENTARY SCHOOL (about 0.7 miles). There are at least 8 more public schools inside five miles. By average proficiency, JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL is 2nd among 9 schools close by.
The school's locale code, Suburb: Large, means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL had 278 students in 2020-21 and 278 in 2024-25, nearly the same. The student-to-teacher ratio increased from 10.3:1 in 2020-21 to 12.2:1 in 2024-25.
This page collects posts and questions about JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOL, such as open houses, carpools, and field trips. Current and former families are welcome to add their experience.
Nassau County at a glance
View full county profilePopulation
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
Related schools
Other schools in JERICHO UNION FREE SCHOOL DISTRICT
- JERICHO SENIOR HIGH SCHOOLHigh · 1,260 students
- JERICHO MIDDLE SCHOOLMiddle · 825 students
- CANTIAGUE ELEMENTARY SCHOOLElementary · 436 students
- GEORGE A JACKSON SCHOOLElementary · 432 students
Other schools in JERICHO
- JERICHO SENIOR HIGH SCHOOLHigh · 1,260 students
- JERICHO MIDDLE SCHOOLMiddle · 825 students
- CANTIAGUE ELEMENTARY SCHOOLElementary · 436 students
- GEORGE A JACKSON SCHOOLElementary · 432 students
Nearby schools
- CANTIAGUE ELEMENTARY SCHOOL0.7 mi · 436
- GEORGE A JACKSON SCHOOL0.9 mi · 432
- JERICHO MIDDLE SCHOOL0.9 mi · 825
- JERICHO SENIOR HIGH SCHOOL0.9 mi · 1,260
- BURNS AVENUE SCHOOL1.2 mi · 263
- ROBBINS LANE ELEMENTARY SCHOOL1.5 mi · 460
Frequently asked questions
About JEFFREY RATNER-ROBERT SEAMAN ELEMENTARY SCHOOLWhat 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.