Enrollment
602
New York · 2024-25 NCES data
Elementary school (grades K-5) · Greenlawn, NY
Thomas J Lahey Elementary School
Federal NCES profile for Thomas J Lahey Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataElementary school (grades K-5)NCES 361362001117
👥 S:T ratio 57
🌟 Gifted program 30
📋 Attendance 74
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Thomas J Lahey Elementary School earns 53/100 on the Resource Investment Index, with class sizes near the New York median.
- #3 of 3
- public schools in Greenlawn · Resource Index
- 53
- Resource Index · Higher
- 10.8:1
- students per teacher
- 11.2%
- free-lunch eligible
Thomas J Lahey Elementary School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Thomas J Lahey Elementary School ranks #3 of 3 public schools in Greenlawn, NY.
School address
District: Harborfields Central School District · New York
NCES ID 361362001117 Verify on NCES CCD record →
Teachers (FTE)
56.0
Federal CCD staff survey
Students per teacher
10.8:1
vs 11.8:1 New York avg
-8% vs state
Free-lunch eligible
11.2%
vs 56.2% New York avg
-80% vs state
Student-teacher ratio in context
How Thomas J Lahey Elementary School compares with New York and U.S. medians
What stands out at Thomas J Lahey Elementary School
Thomas J Lahey Elementary School is a lower-poverty, mid-sized elementary school in Greenlawn, New York, enrolling 602 students.
At 10.8:1, its student-teacher ratio sits close to the New York median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 11.2% free-meal eligibility runs 80% below the New York average.
Enrollment of 602 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 462 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #126.
Its student body is led by White (68%) and Hispanic or Latino (19%) (diversity index 50/100).
10.6% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Harborfields Central School District also operates Harborfields High School (923 students) and Oldfield Middle School (627 students) alongside Thomas J Lahey Elementary School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Thomas J Lahey Elementary School compares
Thomas J Lahey Elementary School on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.8:1 | ▼ 8% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 11.2% | ▼ 80% | 56.2% | 51.7% |
| Enrollment | 602 | top 26% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.8:1
Leaner classes than 84% of US schools, among the more generously staffed nationally.
602
Bigger than 73% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
11.2%
free-lunch eligible
- 80% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
10.8:1
students per teacher
- 8% below state mean
Top 42% in New York - lower ratio than 58% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
10.6%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$28,952
per pupil, district-wide
- above New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 67.8%
Hispanic or Latino 19.4%
Two or More 5.6%
Asian 4.8%
African American 2.3%
Largest group: White at 67.8% of enrollment.
Student-body diversity index 49.7/100
Simpson diversity index - at 49.7, Thomas J Lahey Elementary School is more mixed than the New York school average of 45.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Harborfields Central School District, which includes Thomas J Lahey Elementary School.
$28,952
Per student
+10%
vs New York
Avg $26,410
+74%
vs U.S.
Avg $16,593
Revenue mix
Local 72.7%
State 21.8%
Federal 5.4%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Thomas J Lahey Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Harborfields High School | Larger | Similar economic need | Similar S:T ratio |
| Oldfield Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Washington Drive Primary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Thomas J Lahey Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 923
- Students per teacher
- 11.1:1
- Resource Index
- 57/100
- Enrollment
- 627
- Students per teacher
- 9.6:1
- Resource Index
- 57/100
- Enrollment
- 621
- Students per teacher
- 11.5:1
- Resource Index
- 50/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~602 students)
Next steps
Verify locally before acting on Thomas J Lahey Elementary School's federal record.
- Compare Thomas J Lahey Elementary School against another school. Compare schools
- Harborfields Central School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Thomas J Lahey Elementary School
How many students attend Thomas J Lahey Elementary School?
Thomas J Lahey Elementary School has 602 students enrolled. It is an elementary school in Greenlawn, NY.
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, which is 8% lower than the New York average of 11.8:1 and 31% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Thomas J Lahey Elementary School?
11.2% of students at Thomas J Lahey Elementary School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Thomas J Lahey Elementary School?
The largest demographic group at Thomas J Lahey Elementary School is White at 67.8% of enrollment, in Greenlawn, NY.
What is the Resource Investment Index for Thomas J Lahey Elementary School?
Thomas J Lahey Elementary School has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Thomas J Lahey Elementary School rank among public schools in Greenlawn?
By Resource Investment Index, Thomas J Lahey Elementary School ranks #3 of 3 public schools in Greenlawn, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Greenlawn on the city page.
Is Thomas J Lahey Elementary School a good school?
Thomas J Lahey Elementary School earns 53/100 on the Resource Investment Index, with class sizes near the New York median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Harborfields Central School District?
Besides Thomas J Lahey Elementary School, Harborfields Central School District also operates Harborfields High School (923 students), Oldfield Middle School (627 students), and Washington Drive Primary School (621 students). See the Harborfields Central School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.