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What do you wish you knew before starting at THOMAS J LAHEY ELEMENTARY SCHOOL?
Community prompt from u/allk12. Replies below.
Enrollment
602
Elementary
DISTRICT 612 · STATE 443
SCHOOL COMMUNITY·HARBORFIELDS CENTRAL SCHOOL DISTRICT·NCES 361362001117
THOMAS J LAHEY ELEMENTARY SCHOOL
625 PULASKI RD, GREENLAWN, NY 11740 · (631) 754-5400 · Suffolk County
GRADES 03–05ELEMENTARY21-SUBURBREGULAR SCHOOL602 STUDENTS
B+
allk12 Grade
Scored higher than 68% 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.
- B-Beats 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
Student : Teacher
10.8:1
56 FTE teachers
DISTRICT 10.5:1 · STATE 12.8:1
Free / Reduced Lunch
17%
102 students
DISTRICT 18% · 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
| Grade | Students | Share |
|---|---|---|
| Grade 3 | 214 | 36% |
| Grade 4 | 183 | 30% |
| Grade 5 | 205 | 34% |
Student demographics
50%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 50% · 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
Feeds from
Based on grade levels within HARBORFIELDS CENTRAL SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
72.0%
NY avg 58.3% . +19.0pp since 2023
Math
77.0%
NY avg 57.4% . +11.0pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 72 of every 100 students at this school read and write at grade level and about 77 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 19 points since 2023, while math scores are up about 11 points.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 72.0% | 77.0% |
| 2023-24 | 53.0% | 66.0% |
% 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
66.2%
composite math + reading, all grades
Predicted
68.8%
based on NY schools with similar FRL share
Beats by
-2.6pp
below demographic expectation
What this means: About 66% of students here test proficient in math and reading, compared with the roughly 69% 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 THOMAS J LAHEY ELEMENTARY SCHOOL
THOMAS J LAHEY ELEMENTARY SCHOOL's state test result (66.2% proficient) is higher than 2 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| THOMAS J LAHEY ELEMENTARY SCHOOL this school | 602 | 16.9% | 66.2% |
| WASHINGTON DRIVE PRIMARY SCHOOL CENTERPORT | 621 | 15.5% | N/A |
| CARRIE E TOMPKINS SCHOOL CROTON ON HUDSON | 585 | 14.5% | 68.6% |
| MOUNT SINAI ELEMENTARY SCHOOL MOUNT SINAI | 657 | 15.7% | 70.9% |
| SOMERS INTERMEDIATE SCHOOL SOMERS | 560 | 16.4% | 58.0% |
| ALBANY AVENUE ELEMENTARY SCHOOL NORTH MASSAPEQUA | 536 | 16.6% | 65.8% |
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 THOMAS J LAHEY ELEMENTARY SCHOOL ranks
Among elementary schools| Measure | This school | In New York | In Suffolk County |
|---|---|---|---|
| State test proficiency ranked highest first | 66.2% | #518 of 2,335 | #25 of 168 |
| Math proficiency ranked highest first | 77.0% | #456 of 2,342 ▲ 238 | #16 of 169 ▲ 21 |
| Reading proficiency ranked highest first | 72.0% | #466 of 2,343 ▲ 289 | #17 of 169 ▲ 23 |
| Enrollment ranked largest first | 602 | #454 of 2,585 | #40 of 209 |
| Students per teacher ranked fewest first | 10.8:1 | #759 of 2,338 | #63 of 196 |
| Diversity index ranked most diverse first | 49.7% | #1,243 of 2,388 | #110 of 197 |
| Free and reduced lunch ranked highest share first | 16.9% | #2,306 of 2,534 | #159 of 200 |
| Enrollment change since 2017-18 ranked steepest decline first | -16.6% | #779 of 1,757 | #32 of 137 |
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
602
+15 (+3%) vs 2020
-37% since 1990-91, when it was 961
Student : Teacher
10.8:1
was 10.5:1
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 | 602 | 55.6 | 10.8:1 | 17% (102) |
| 2023-24 | 581 | 54.3 | 10.7:1 | 14% (83) |
| 2022-23 | 571 | 56.1 | 10.2:1 | 12% (70) |
| 2020-21 | 587 | 56 | 10.5:1 | 17% (97) |
| 2017-18 | 722 | 60.6 | 11.9:1 | 13% (95) |
| 2015-16 | 688 | 55 | 12.5:1 | 11% (77) |
| 2010-11 | 819 | 59 | 13.9:1 | 8% (68) |
| 2000-01 | 829 | 49 | 16.9:1 | 5% (44) |
| 1990-91 | 961 | 52 | 18.5:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for THOMAS J LAHEY ELEMENTARY SCHOOL.
About THOMAS J LAHEY ELEMENTARY SCHOOL
THOMAS J LAHEY ELEMENTARY SCHOOL is a mid-sized elementary school based in GREENLAWN, New York. It is open to students in grades 3 through 5 and enrolls 602 students. It has 36% more students than the average for elementary schools in New York (about 443).
Federal data list 4 schools in HARBORFIELDS CENTRAL SCHOOL DISTRICT, with 2,773 students enrolled.
About 68% of the student body at THOMAS J LAHEY ELEMENTARY SCHOOL is White. Other groups include 19% Hispanic, 6% multiracial, 5% Asian, and 2% Black. Suffolk County residents are about 66% White, a similar share. A diversity index of 50% means there is a 50% chance two randomly chosen students at THOMAS J LAHEY ELEMENTARY SCHOOL are from different groups.
With 55.6 full-time-equivalent teachers, the student-to-teacher ratio is about 10.8:1. Elementary schools in New York have an average ratio of 12.8:1. Student poverty is often measured by lunch eligibility; at THOMAS J LAHEY ELEMENTARY SCHOOL, 17% qualify for free or reduced-price lunch. The rate at public schools in Suffolk County averages 39%, higher than here.
THOMAS J LAHEY ELEMENTARY SCHOOL earns a B+ on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 68% of New York public elementary schools.
THOMAS J LAHEY ELEMENTARY SCHOOL posts an average proficiency rate across its state test results of 66.2%, compared with a predicted 68.8%. It is not in the top or bottom 10% of New York schools on BeatsExpectations.
Suffolk County is the school's county. There, the median household earns about $130,686 a year, roughly 40% of adults have a four-year degree or more, and the share of residents below the poverty line is 4%. THOMAS J LAHEY ELEMENTARY SCHOOL shares Suffolk County with 342 other public schools.
A public school about 0.2 miles away, HARBORFIELDS HIGH SCHOOL, is the closest to THOMAS J LAHEY ELEMENTARY SCHOOL. Inside a five-mile radius, there are at least 8 other public schools. Among 8 nearby schools that report test results, THOMAS J LAHEY ELEMENTARY SCHOOL ranks 6th on proficiency.
NCES describes the area around THOMAS J LAHEY ELEMENTARY SCHOOL as Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Over the 4 years from 2020-21 to 2024-25, enrollment rose 3%.
The THOMAS J LAHEY ELEMENTARY SCHOOL discussion page is a place for homework, tutoring, and testing dates. You can also rate the school on this page.
Suffolk County at a glance
View full county profilePopulation
1,530,146
Census ACS
Median income
$130,686
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
343
222,439 students
Quick facts
Related schools
Other schools in HARBORFIELDS CENTRAL SCHOOL DISTRICT
- HARBORFIELDS HIGH SCHOOLHigh · 923 students
- OLDFIELD MIDDLE SCHOOLMiddle · 627 students
- WASHINGTON DRIVE PRIMARY SCHOOLElementary · 621 students
Other schools in GREENLAWN
- HARBORFIELDS HIGH SCHOOLHigh · 923 students
- OLDFIELD MIDDLE SCHOOLMiddle · 627 students
Nearby schools
- HARBORFIELDS HIGH SCHOOL0.2 mi · 923
- ELWOOD MIDDLE SCHOOL1.1 mi · 425
- PULASKI ROAD SCHOOL1.2 mi · 351
- NORTHPORT SENIOR HIGH SCHOOL1.2 mi · 1,476
- ELWOOD/JOHN GLENN HIGH SCHOOL1.2 mi · 677
- OLDFIELD MIDDLE SCHOOL1.4 mi · 627
Frequently asked questions
About THOMAS J LAHEY ELEMENTARY SCHOOLHow many students attend THOMAS J LAHEY ELEMENTARY SCHOOL?
THOMAS J LAHEY ELEMENTARY SCHOOL enrolls approximately 602 students in grades 03-05.
Is THOMAS J LAHEY ELEMENTARY SCHOOL an elementary, middle, or high school?
THOMAS J LAHEY ELEMENTARY SCHOOL is an elementary school covering grades 03-05.
What is the student-teacher ratio at THOMAS J LAHEY ELEMENTARY SCHOOL?
The student-to-teacher ratio at THOMAS J LAHEY ELEMENTARY SCHOOL is approximately 10.8:1 (56 FTE teachers).
What is the student diversity at THOMAS J LAHEY ELEMENTARY SCHOOL?
Student demographics at THOMAS J LAHEY ELEMENTARY SCHOOL are roughly 68% White, 19% Hispanic, 2% Black, 5% Asian, 6% Two or more.
Who oversees THOMAS J LAHEY ELEMENTARY SCHOOL?
THOMAS J LAHEY ELEMENTARY SCHOOL is overseen by HARBORFIELDS CENTRAL SCHOOL DISTRICT in Suffolk County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.