Excellent
#531 of 4,739 schools in NY
Top 11% in state
Thomas J Lahey Elementary School
Elementary School · HARBORFIELDS CENTRAL SCHOOL DISTRICT
625 PULASKI RD, Greenlawn, NY 11740
Enrollment
581
Student-Teacher
10.8:1
Score
8.1
Grades
3rd – 5th
Enrollment
581
Student-Teacher
10.8:1
Score
8.1
Grades
3rd – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Greenlawn
#1 of 3
public schools
New York elementary schools
#344 of 2,549
In district
#1 of 4
HARBORFIELDS CENTRAL SCHOOL DISTRICT
Academic growth
8.5 / 10
Exceptional
About Thomas J Lahey Elementary School
Thomas J. Lahey Elementary School serves 581 students in grades 3 through 5 in Greenlawn, New York. This well-regarded public elementary school maintains a favorable student-teacher ratio of 10.8:1 with 54 full-time equivalent teachers, creating an environment where students can receive more individualized attention.
The school demonstrates strong academic performance, earning an 8.2 out of 10 MySchoolScout rating and ranking #371 out of 4,758 schools statewide, placing it in the 92nd percentile among New York elementary schools. Students show solid proficiency rates with 72% meeting or exceeding standards in English Language Arts and reading, while 68% achieve proficiency in mathematics across the grade levels served. Thomas J.
Lahey Elementary operates within an affluent community where the median household income reaches $144,911 and over half of adults hold bachelor's degrees or higher. The low poverty rate of 5% reflects the socioeconomic advantages that often correlate with strong school performance. Located on Pulaski Road in this large suburban area of Suffolk County, the school benefits from a stable, educated community environment that supports student achievement and family engagement in education.
Score Breakdown
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Thomas J Lahey Elementary School — Students at Thomas J Lahey Elementary School score 70% proficient, which is below what's typical for similar communities (expected: 71%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
14.3%
Students qualifying for federal meal assistance
Test Scores NY NYSED (2020-21)
Based on 10 test records from NY state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.5/10.
How Thomas J Lahey Elementary School Compares
See how Thomas J Lahey Elementary School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 70% (2019) to 68% (2021). Reading/ELA proficiency has improved from 58% (2019) to 72% (2021).
Location
625 PULASKI RD, Greenlawn, NY 11740
Nearby Alternatives
Families considering Thomas J Lahey Elementary School may also want to explore other elementary schools in the area. JAMES H BOYD ELEMENTARY SCHOOL (rated 8.5/10, 1.4 miles away, in nearby Huntington), which scores slightly higher. Another option is WASHINGTON SCHOOL (rated 8.3/10, 2.1 miles away, in nearby Huntington Station), with a very similar rating. Additionally, PULASKI ROAD SCHOOL (rated 8.1/10, 1.2 miles away, in nearby East Northport), with a very similar rating. For more schools in Greenlawn, see our Greenlawn schools guide .
Nearby Schools
20 within 2.7 mi| School | Distance | Rating |
|---|---|---|
| HARBORFIELDS HIGH SCHOOL Greenlawn | 0.2 mi | 7.3 |
| ELWOOD MIDDLE SCHOOL Elwood | 1.1 mi | 5.8 |
| NORTHPORT SENIOR HIGH SCHOOL Northport | 1.2 mi | 7.5 |
| PULASKI ROAD SCHOOL East Northport | 1.2 mi | 8.1 |
| ELWOOD/JOHN GLENN HIGH SCHOOL Elwood | 1.2 mi | 7.2 |
| JAMES H BOYD ELEMENTARY SCHOOL Huntington | 1.4 mi | 8.5 |
| OLDFIELD MIDDLE SCHOOL Greenlawn | 1.4 mi | 6.1 |
| MAPLEWOOD INTERMEDIATE SCHOOL Huntington Station | 2.1 mi | 7.3 |
| SCHOOL HOUSE East Northport | 2.0 mi | 7.8 |
| TRINITY REGIONAL SCHOOL-EAST NORTHPORT CAMPUS East Northport | 1.8 mi | 5.4 |
| HARLEY AVENUE ELEMENTARY SCHOOL Elwood | 1.9 mi | 7.1 |
| WASHINGTON DRIVE PRIMARY SCHOOL Centerport | 2.1 mi | 7.1 |
| LOVE OF LEARNING MONTESSORI Centerport | 2.4 mi | 7.6 |
| WASHINGTON SCHOOL Huntington Station | 2.1 mi | 8.3 |
| EAST NORTHPORT MIDDLE SCHOOL East Northport | 2.1 mi | 5.6 |
| OCEAN AVENUE SCHOOL Northport | 2.8 mi | 8.1 |
| FLOWER HILL SCHOOL Huntington | 2.6 mi | 8.1 |
| NORTHPORT MIDDLE SCHOOL Northport | 3.0 mi | 5.6 |
| J TAYLOR FINLEY MIDDLE SCHOOL Huntington | 2.6 mi | 5.2 |
| BURR INTERMEDIATE SCHOOL Commack | 2.7 mi | 7.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 11740 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$161,705
Median Home Value
$686,900
Population
10,699
College Educated
57%
Homeownership
80.6%
Avg Commute
37.8 min
Poverty Rate
5.8%
Median Age
42.8
Community Profile
The community surrounding Thomas J Lahey Elementary School has a median household income of $161,705. It is a well-educated community where 57% of adults hold a bachelor's degree or higher. The median home value in the area is $686,900. The local poverty rate of 5.8% is relatively low. The average commute in the area is 38 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| ANNE HUTCHINSON SCHOOL Eastchester, NY | 8.1 |
| BAYVIEW ELEMENTARY SCHOOL West Islip, NY | 8.1 |
| BELMONT ELEMENTARY SCHOOL North Babylon, NY | 8.1 |
| BROOKLYN AVENUE SCHOOL Valley Stream, NY | 8.1 |
| BRUNO M PONTERIO RIDGE STREET SCHOOL Rye Brook, NY | 8.1 |
| CAROLINE STREET ELEMENTARY SCHOOL Saratoga Springs, NY | 8.1 |
Frequently Asked Questions
Common questions about Thomas J Lahey Elementary School
What grades does Thomas J Lahey Elementary School serve?
Thomas J Lahey Elementary School serves students in grades 3rd through 5th.
How many students attend Thomas J Lahey Elementary School?
Thomas J Lahey Elementary School has an enrollment of approximately 581 students.
What is the student-teacher ratio at Thomas J Lahey Elementary School?
The student-teacher ratio at Thomas J Lahey Elementary School is 10.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Thomas J Lahey Elementary School rank in NY?
Thomas J Lahey Elementary School is ranked #531 out of 4,739 schools in NY.
What is Thomas J Lahey Elementary School's MySchoolScout rating?
Thomas J Lahey Elementary School has a composite rating of 8.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Thomas J Lahey Elementary School?
Based on the most recent state assessment data, Thomas J Lahey Elementary School has 68.4% math proficiency and 69.4% reading/ELA proficiency.
Is Thomas J Lahey Elementary School a charter school?
No, Thomas J Lahey Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is Thomas J Lahey Elementary School a Title I school?
No, Thomas J Lahey Elementary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Thomas J Lahey Elementary School?
14.3% of students at Thomas J Lahey Elementary School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 3rd – 5th
- Enrollment
- 581
- Student-Teacher Ratio
- 10.8:1
- Teachers (FTE)
- 54
- Free/Reduced Lunch
- 14.3%
- Type
- regular
- Setting
- Large Suburb
- County
- Suffolk County
- Phone
- (631) 754-5400
- Data Year
- 2023–2024
Resources & Links
District
HARBORFIELDS CENTRAL SCHOOL DISTRICT- District Enrollment
- 2,798
- Schools in District
- 4
- Per-Pupil Spending
- $32,343
- District Rank
- #1 of 4
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
- Best Public Schools in New York 2026: Top Districts from NYC to the Suburbsbest schools
- Best Schools in New York, NY — 2026 Rankingsbest schools
- Best States for Public Schools in 2026: A Complete Rankingdata insights
- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Student-Teacher Ratio by State: Complete 2026 Rankingsdata insights
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