Home > New York > Suffolk County > Greenlawn

Thomas J Lahey Elementary School

625 Pulaski Rd
Greenlawn, NY 11740

( shown in map)

Top 30%

www.harborfieldscsd.net

Serving 581 students in grades 3-5, Thomas J Lahey Elementary School ranks in the top 30% of all schools in New York for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).

The percentage of students achieving is 62% (which is higher than the New York state average of 46%). The percentage of students achieving is 67% (which is higher than the New York state average of 49%).

The student:teacher ratio of 11:1 is equal to the New York state level of 11:1.

Minority enrollment is 31% of the student body (majority Hispanic), which is lower than the New York state average of 60% (majority Hispanic).

Quick Stats (2025)

Grades: 3-5
Enrollment: 581 students
Student:Teacher Ratio: 11:1
Minority Enrollment: 31%
: Top 30% in NY
: 62% (Top 30%)
: 67% (Top 20%)
: ≥95% (Top 5%)
Source: National Center for Education Statistics (NCES), NY Dept. of Education

Top Rankings

Thomas J Lahey Elementary School ranks among the top 20% of public schools in New York for:

School Overview

Thomas J Lahey Elementary School's student population of 581 students has declined by 13% over five school years.

The teacher population of 54 teachers has declined by 12% over five school years.

Grades Offered

Grades 3-5
(Supplemental Virtual)

View Data

Distribution of Students By Grade Trends
Grade	Thomas J Lahey Elementary School
3	178
4	205
5	198

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Total Students

581 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Thomas J Lahey Elementary School
2023	571
2022	572
2021	587
2020	669
2019	669
2018	724
2017	724
2016	688
2015	694
2014	774
2013	772
2012	808
2011	819
2010	860
2009	888
2008	919
2007	890
2006	886
2005	861
2004	891
2003	860
2002	835
2001	829
2000	812
1999	824
1998	764
1997	960
1996	881
1995	833
1994	956
1993	931
1992	942
1991	961
1990	954
1989	990
1988	952
1987	929

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Gender %

Total Classroom Teachers

54 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Thomas J Lahey Elementary School
2023	56
2022	56
2021	56
2020	62
2019	62
2018	56
2017	56
2016	55
2015	57
2014	58
2013	56
2012	56
2011	60
2010	53
2009	62
2008	56
2007	58
2006	57
2005	55
2003	50
2002	49
2001	49
2000	46
1999	47
1998	45
1997	54
1996	51
1995	46
1994	51
1993	49
1992	49
1991	53
1990	50

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School Rankings

Thomas J Lahey Elementary School ranks within the top 30% of all 4,377 schools in New York (based off of combined math and reading proficiency testing data).

The of Thomas J Lahey Elementary School is 0.48, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.

This School

State Level (NY)

#940 out of 4377 schools
(Top 30%)

View Data

Overall School Rank Trends Over Years (2011-2022)
Year	Thomas J Lahey Elementary School
2022	#940
2021	#1209
2019	#1560
2018	#1637
2017	#1491
2016	#1408
2015	#1316
2014	#615
2013	#1231
2012	#1098
2011	#1348

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62%

46%

View Data

Math Proficiency Comparison Over Years (2011-2022)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2022	62%	46%	73%
2021	68%	55%	71%
2019	70%	54%	77%
2018	66%	52%	76%
2017	65%	50%	71%
2016	63%	49%	71%
2015	64%	48%	71%
2014	64%	41%	66%
2013	54%	39%	60%
2012	83%	69%	88%
2011	79%	67%	88%

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67%

49%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2022	67%	49%	71%
2021	72%	62%	74%
2019	58%	52%	72%
2018	60%	52%	76%
2017	58%	47%	69%
2016	62%	46%	70%
2015	57%	40%	65%
2014	54%	37%	61%
2013	53%	39%	62%
2012	81%	60%	83%
2011	74%	58%	81%

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≥95%

78%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2022	95%	78%	94%
2021	92%	84%	95%

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Student : Teacher Ratio

11:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2023	10:1	11:1	11:1
2022	10:1	11:1	10:1
2021	10:1	12:1	11:1
2020	11:1	13:1	13:1
2019	11:1	13:1	13:1
2018	13:1	14:1	14:1
2017	13:1	13:1	14:1
2016	13:1	14:1	14:1
2015	12:1	14:1	15:1
2014	13:1	14:1	15:1
2013	14:1	14:1	15:1
2012	15:1	14:1	16:1
2011	14:1	13:1	15:1
2010	16:1	13:1	16:1
2009	14:1	13:1	14:1
2008	16:1	13:1	15:1
2007	15:1	14:1	15:1
2006	16:1	14:1	15:1
2005	16:1	14:1	16:1
2003	17:1	14:1	16:1
2002	17:1	15:1	16:1
2001	17:1	14:1	16:1
2000	18:1	15:1	17:1
1999	18:1	16:1	18:1
1998	17:1	16:1	17:1
1997	18:1	16:1	17:1
1996	17:1	16:1	17:1
1995	18:1	16:1	17:1
1994	19:1	16:1	17:1
1993	19:1	16:1	17:1
1992	19:1	16:1	16:1
1991	18:1	15:1	15:1
1990	19:1	15:1	15:1

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American Indian

n/a

Asian

10%

View Data

Asian Student Percentage Comparison Over Years (1993-2023)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2023	5%	10%	6%
2022	5%	10%	6%
2021	6%	10%	6%
2020	5%	9%	5%
2019	5%	9%	5%
2018	6%	9%	5%
2017	6%	9%	5%
2016	4%	9%	4%
2015	6%	9%	4%
2014	4%	9%	4%
2013	5%	9%	4%
2012	5%	9%	4%
2011	5%	8%	4%
2010	4%	8%	4%
2009	4%	9%	4%
2008	3%	8%	4%
2007	3%	8%	3%
2006	3%	7%	3%
2005	2%	7%	3%
2004	3%	7%	4%
2003	3%	6%	4%
2002	2%	6%	4%
2001	4%	7%	4%
2000	3%	6%	4%
1999	3%	6%	5%
1998	4%	5%	4%
1997	3%	5%	4%
1996	4%	5%	5%
1995	4%	5%	4%
1994	4%	5%	5%
1993	3%	5%	4%

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Hispanic

20%

30%

View Data

Hispanic Student Percentage Comparison Over Years (1993-2023)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2023	18%	29%	17%
2022	17%	29%	16%
2021	17%	28%	15%
2020	18%	27%	13%
2019	18%	27%	13%
2018	13%	26%	12%
2017	13%	26%	12%
2016	11%	26%	11%
2015	10%	25%	9%
2014	8%	25%	8%
2013	7%	24%	6%
2012	6%	23%	6%
2011	5%	22%	5%
2010	5%	22%	5%
2009	4%	21%	4%
2008	4%	21%	4%
2007	3%	21%	4%
2006	3%	20%	4%
2005	3%	20%	4%
2004	3%	19%	3%
2003	3%	19%	4%
2002	4%	19%	3%
2001	3%	18%	3%
2000	3%	18%	3%
1999	2%	18%	2%
1998	3%	18%	3%
1997	4%	18%	3%
1996	4%	17%	3%
1995	3%	17%	3%
1994	3%	17%	3%
1993	3%	16%	3%

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Black

16%

View Data

Black Student Percentage Comparison Over Years (1993-2023)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2023	3%	16%	4%
2022	3%	16%	4%
2021	4%	17%	4%
2020	4%	17%	4%
2019	4%	17%	4%
2018	3%	17%	3%
2017	3%	17%	3%
2016	4%	18%	4%
2015	4%	18%	4%
2014	4%	18%	4%
2013	5%	18%	5%
2012	5%	18%	5%
2011	6%	19%	5%
2010	4%	19%	6%
2009	4%	19%	5%
2008	5%	20%	6%
2007	6%	19%	6%
2006	6%	20%	6%
2005	6%	20%	6%
2004	6%	20%	7%
2003	6%	20%	7%
2002	6%	20%	7%
2001	6%	20%	6%
2000	7%	21%	7%
1999	6%	21%	6%
1998	6%	20%	7%
1997	7%	20%	8%
1996	7%	20%	7%
1995	7%	20%	9%
1994	7%	20%	8%
1993	7%	20%	9%

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White

69%

40%

View Data

White Student Percentage Comparison Over Years (1993-2023)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2023	71%	40%	69%
2022	72%	41%	70%
2021	70%	41%	71%
2020	69%	43%	74%
2019	69%	43%	74%
2018	74%	44%	77%
2017	74%	44%	77%
2016	77%	44%	79%
2015	76%	45%	81%
2014	81%	46%	82%
2013	80%	47%	83%
2012	82%	48%	83%
2011	83%	49%	85%
2010	87%	51%	85%
2009	88%	51%	87%
2008	88%	51%	86%
2007	88%	52%	87%
2006	88%	53%	87%
2005	89%	53%	87%
2004	88%	54%	86%
2003	88%	55%	85%
2002	88%	55%	86%
2001	87%	55%	87%
2000	87%	55%	86%
1999	89%	55%	87%
1998	87%	57%	86%
1997	86%	57%	85%
1996	85%	58%	85%
1995	86%	58%	84%
1994	86%	58%	84%
1993	87%	59%	84%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2023	3%	4%	4%
2022	3%	3%	4%
2021	3%	3%	4%
2020	4%	3%	4%
2019	4%	3%	4%
2018	4%	2%	3%
2017	4%	2%	3%
2016	4%	2%	2%
2015	4%	2%	2%
2014	3%	1%	2%
2013	3%	1%	2%

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All Ethnic Groups

0.48

0.72

View Data

Diversity Score Comparison Over Years (1993-2023)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2023	0.46	0.73	0.49
2022	0.45	0.72	0.48
2021	0.48	0.72	0.47
2020	0.49	0.71	0.44
2019	0.49	0.71	0.44
2018	0.43	0.71	0.39
2017	0.43	0.71	0.39
2016	0.39	0.70	0.36
2015	0.41	0.70	0.34
2014	0.34	0.69	0.31
2013	0.35	0.69	0.31
2012	0.32	0.68	0.30
2011	0.31	0.68	0.28
2010	0.24	0.66	0.26
2009	0.22	0.66	0.24
2008	0.22	0.66	0.25
2007	0.22	0.65	0.24
2006	0.22	0.64	0.23
2005	0.21	0.64	0.24
2004	0.22	0.63	0.25
2003	0.22	0.62	0.25
2002	0.22	0.62	0.25
2001	0.24	0.63	0.24
2000	0.24	0.62	0.25
1999	0.21	0.62	0.23
1998	0.24	0.61	0.24
1997	0.26	0.61	0.27
1996	0.27	0.60	0.27
1995	0.26	0.60	0.29
1994	0.26	0.60	0.28
1993	0.24	0.59	0.28

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Participates in the

Yes

Eligible for

12%

54%

View Data

Free Lunch Eligibility Comparison Over Years (1995-2023)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2023	11%	53%	13%
2022	13%	51%	14%
2021	15%	52%	13%
2020	16%	50%	13%
2019	16%	50%	13%
2018	10%	48%	10%
2017	10%	48%	10%
2016	10%	44%	10%
2015	9%	45%	7%
2014	6%	42%	6%
2013	8%	41%	6%
2012	6%	42%	6%
2011	6%	41%	5%
2010	4%	16%	5%
2009	3%	37%	6%
2008	4%	36%	4%
2007	4%	36%	4%
2006	4%	37%	3%
2005	5%	14%	8%
2003	3%	13%	2%
2002	5%	36%	4%
2001	3%	36%	4%
2000	5%	37%	4%
1999	4%	38%	4%
1998	4%	37%	4%
1997	6%	38%	5%
1996	7%	13%	5%
1995	7%	13%	4%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2002-2023)
Year	Thomas J Lahey Elementary School	New York	Harborfields Central School District
2023	1%	3%	1%
2022	1%	3%	1%
2021	1%	3%	2%
2020	1%	4%	1%
2019	1%	4%	1%
2018	2%	5%	2%
2017	2%	5%	2%
2016	1%	5%	1%
2015	1%	6%	1%
2014	1%	5%	1%
2013	1%	7%	2%
2012	3%	7%	2%
2011	3%	7%	2%
2010	2%	5%	2%
2009	1%	8%	2%
2008	2%	8%	2%
2007	2%	8%	2%
2006	2%	8%	1%
2005	2%	5%	3%
2003	2%	4%	2%
2002	2%	7%	2%

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School Statewide Testing

View Education Department Test Scores

School District Name

Harborfields Central School District

Source: National Center for Education Statistics (NCES), NY Dept. of Education

Profile last updated: 02/09/2025

Frequently Asked Questions

What is Thomas J Lahey Elementary School's ranking?

Thomas J Lahey Elementary School is ranked #940 out of 4,377 schools, which ranks it among the top 30% of public schools in New York.

What schools are Thomas J Lahey Elementary School often compared to?

Thomas J Lahey Elementary Schoolis often viewed alongside schools like Harborfields High School, Dogwood Elementary School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

62% of students have achieved math proficiency (compared to the 46% NY state average), while 67% of students have achieved reading proficiency (compared to the 49% NY state average).

How many students attend Thomas J Lahey Elementary School?

581 students attend Thomas J Lahey Elementary School.

What is the racial composition of the student body?

69% of Thomas J Lahey Elementary School students are White, 20% of students are Hispanic, 5% of students are Asian, 3% of students are Black, and 3% of students are Two or more races.

What is the student:teacher ratio of Thomas J Lahey Elementary School?

Thomas J Lahey Elementary School has a student ration of 11:1, which is equal to the New York state average of 11:1.

What grades does Thomas J Lahey Elementary School offer ?

Thomas J Lahey Elementary School offers enrollment in grades 3-5 (Supplemental Virtual).

What school district is Thomas J Lahey Elementary School part of?

Thomas J Lahey Elementary School is part of Harborfields Central School District.

School Reviews

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Quick Stats (2025)

Grades: 3-5
Enrollment: 581 students
Student:Teacher Ratio: 11:1
Minority Enrollment: 31%
: Top 30%
: 62% (Top 30%)
: 67% (Top 20%)
: ≥95% (Top 5%)
Source: National Center for Education Statistics (NCES), NY Dept. of Education