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Helen B Duffield Elementary School

Q: Is Helen B Duffield Elementary School a good school?

Helen B Duffield Elementary School ranks 1462 nd of 2445 New York elementary schools. SchoolDigger rates this school 2 stars out of 5.

Public Grades K-5

1462^nd

SchoolDigger Rank ?

of 2,445 New York Elementary Schools

Better than 40% of New York elementary schools

Summary

Helen B Duffield Elementary School is a public elementary school located in Ronkonkoma, New York, serving grades K-5 with a total enrollment of 333 students. The school is part of the Connetquot Central School District, which is ranked 353 out of 874 school districts in New York and has a 3-star rating from SchoolDigger.

Helen B Duffield Elementary School has seen a decline in its statewide ranking over the past few years, dropping from a high of 462 out of 2,201 New York elementary schools in 2020-2021 to 1,462 out of 2,445 in 2024-2025. The school's performance on state assessments is generally below the district and state averages, with proficiency rates ranging from around 20-50% in English Language Arts (ELA) and Math across different grade levels and years. However, the school's performance for Hispanic students is relatively strong, with the school ranking in the top 25% of New York elementary schools for this subgroup in recent years.

Despite the school's relatively high per-student spending of $31,930 in 2023-2024 and low student-teacher ratio, its academic performance remains below the district and state averages. Nearby schools within the Connetquot Central School District, such as John Pearl Elementary School and Cherokee Street Elementary School, generally outperform Helen B Duffield Elementary School on state assessments and have higher statewide rankings. However, the nearby schools in the Sachem Central School District and Central Islip Union Free School District, which are lower-performing districts, have lower proficiency rates and statewide rankings compared to Helen B Duffield Elementary School.

313

Students ?

10.1

Student/teacher ratio ?

$33,805

Per pupil spending ?

21.7%

Free/discounted lunch ?

600 1st St
Ronkonkoma, NY 11779-6304

(631) 467-6010

District: Connetquot Central School District

Racial breakdown:

White:

50.5%

Hispanic:

25.9%

Asian:

15.3%

See top rated New York elementary schools

Compare Helen B Duffield Elementary School to nearby elementary schools!

At a glance

▼ Ranking trend: Declining — 80th percentile in 2015 → 40th in 2025

Strengths

✓Small classes — about 10 students per teacher

Worth a look

!Test scores below the New York average (48% vs 55% meeting standards)

!Ranking has slipped — down 40 percentile points since 2015

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2024-2025) ?

This school48%

District avg58%

New York avg55%

1,462^nd of 2,445

New York public elementary schools ?

Bottom 40%▼ down 40 pts since 2015

From top 20% (2015) to bottom 40% (2025)

See the entire ranking list of New York Elementary Schools →

★★★★★

SchoolDigger rating ?

6^th of 7Elementary Schools in the Connetquot Central School District

353^rd of 874Connetquot Central School District among New York districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	New York percentile	Rating
2025	40.3	1462 of 2445	40.2%	★★☆☆☆
2024	38.3	1504 of 2445	38.5%	★★☆☆☆
2023	43.8	1338 of 2439	45.1%	★★☆☆☆
2022	70.7	649 of 2434	73.3%	★★★★☆
2021	75.9	462 of 2201	79.0%	★★★★☆
2019	67.9	711 of 2413	70.5%	★★★★☆
2018	64.3	834 of 2395	65.2%	★★★☆☆
2017	53.8	1074 of 2386	55.0%	★★★☆☆
2016	77.2	466 of 2366	80.3%	★★★★☆
2015	77.3	461 of 2352	80.4%	★★★★☆
2014	54.8	1034 of 2345	55.9%	★★★☆☆
2013	48.7	1155 of 2325	50.3%	★★★☆☆
2012	60.4	1019 of 2320	56.1%	★★★☆☆
2011	71.1	655 of 2286	71.3%	★★★★☆
2010	75.7	505 of 2263	77.7%	★★★★☆
2009	74.8	517 of 2257	77.1%	★★★★☆
2008	80.5	295 of 2227	86.8%	★★★★☆
2007	68.0	814 of 2219	63.3%	★★★☆☆
2006	66.1	886 of 2206	59.8%	★★★☆☆

Asian

Year	Avg score	Statewide rank	New York percentile	Rating
2025	17.4	606 of 696	12.9%	★☆☆☆☆
2022	44.1	432 of 671	35.6%	★★☆☆☆
2019	52.9	311 of 548	43.2%	★★☆☆☆
2018	57.5	300 of 601	50.1%	★★★☆☆

English Language Learner

Year	Avg score	Statewide rank	New York percentile	Rating
2024	24.1	964 of 1066	9.6%	☆☆☆☆☆

Female

Year	Avg score	Statewide rank	New York percentile	Rating
2025	46.6	1284 of 2409	46.7%	★★☆☆☆
2024	33.6	1637 of 2413	32.2%	★★☆☆☆
2023	49.7	1166 of 2403	51.5%	★★★☆☆
2022	73.5	552 of 2401	77.0%	★★★★☆
2021	85.7	166 of 1955	91.5%	★★★★★
2019	64.6	781 of 2357	66.9%	★★★☆☆
2018	52.5	1141 of 2338	51.2%	★★★☆☆

Hispanic

Year	Avg score	Statewide rank	New York percentile	Rating
2025	81.2	229 of 1569	85.4%	★★★★☆
2024	45.5	766 of 1531	50.0%	★★★☆☆
2021	74.8	141 of 818	82.8%	★★★★☆

Low Socio Economic Status

Year	Avg score	Statewide rank	New York percentile	Rating
2025	35.2	1343 of 2098	36.0%	★★☆☆☆
2024	19.2	1847 of 2078	11.1%	★☆☆☆☆
2023	47.4	976 of 2041	52.2%	★★★☆☆
2022	69.2	475 of 2099	77.4%	★★★★☆
2021	77.7	235 of 1678	86.0%	★★★★☆
2018	37.5	1326 of 2045	35.2%	★★☆☆☆

Male

Year	Avg score	Statewide rank	New York percentile	Rating
2025	37.0	1558 of 2407	35.3%	★★☆☆☆
2024	42.9	1355 of 2411	43.8%	★★☆☆☆
2023	43.1	1332 of 2400	44.5%	★★☆☆☆
2022	64.5	779 of 2400	67.5%	★★★☆☆
2021	60.1	758 of 1961	61.3%	★★★☆☆
2019	69.2	640 of 2358	72.9%	★★★★☆
2018	71.1	594 of 2340	74.6%	★★★★☆

White

Year	Avg score	Statewide rank	New York percentile	Rating
2025	27.5	1067 of 1402	23.9%	★☆☆☆☆
2024	34.5	959 of 1392	31.1%	★★☆☆☆
2023	39.5	846 of 1337	36.7%	★★☆☆☆
2022	67.2	431 of 1399	69.2%	★★★☆☆
2021	81.2	170 of 1224	86.1%	★★★★☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Hispanic (2025)85th percentile+45 vs school

Female (2025)47th percentile+6 vs school

Low Socio Economic Status (2025)36th percentile-4 vs school

Male (2025)35th percentile-5 vs school

White (2025)24th percentile-16 vs school

Asian (2025)13th percentile-27 vs school

English Language Learner (2024)10th percentile-29 vs school

By subject vs New York (2024-2025) ?

Math55%-3 vs state

Science53%+8 vs state

English Language Arts40%-15 vs state

★

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Schools Near Helen B Duffield Elementary School

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Immunizations Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				NY State Assessments English Language Arts (2025)				NY State Assessments Math (2025)				NY State Assessments Science (2025)	% Completely Immunized (2020)	% Polio (2020)	% Measles (2020)	% Mumps (2020)	% Rubella (2020)	% Diphtheria (2020)	% Hepatitis B (2020)	% Varicella (2020)	Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	NY State Assessments English Language Arts 3rd Grade	NY State Assessments English Language Arts 4th Grade	NY State Assessments English Language Arts 5th Grade	NY State Assessments English Language Arts 6th Grade	NY State Assessments Math 3rd Grade	NY State Assessments Math 4th Grade	NY State Assessments Math 5th Grade	NY State Assessments Math 6th Grade	NY State Assessments Science 5th Grade	% Completely Immunized All Grades	% Polio All Grades	% Measles All Grades	% Mumps All Grades	% Rubella All Grades	% Diphtheria All Grades	% Hepatitis B All Grades	% Varicella All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Helen B Duffield Elementary School	Public	K-5	600 1st St	Ronkonkoma	11779	Suffolk County	Connetquot Central School District	No	No	No	No	(631) 467-6010	313	31	10.1	21.7%	158 (50.5%)	14 (4.5%)	81 (25.9%)	48 (15.3%)	1 (0.3%)	0 (0.0%)	11 (3.5%)	40.3	1462^nd of 2445 public elementary schools	40.2%		38.3	1504^th of 2445 public elementary schools	38.5%	42	40.0	47.8	31.6		33.3	69.6	57.9		52.9	99.2	99.7	99.7	99.7	99.7	99.7	99.7	99.2	$33,805	$615	$33,190
Edith L Slocum Elementary School	Public	PK, KG-5	2460 Sycamore Ave	Ronkonkoma	11779	Suffolk County	Connetquot Central School District	No	No	No	Yes	(631) 467-6040	257	22	11.5	22.6%	132 (51.4%)	10 (3.9%)	72 (28.0%)	38 (14.8%)	0 (0.0%)	0 (0.0%)	5 (1.9%)	56.3	1028^th of 2445 public elementary schools	58.0%		55	1027^th of 2445 public elementary schools	58.0%	1	34.8	75.0	42.9		52.0	88.5	87.5		33.3	98.9	99.3	100.0	100.0	100.0	99.3	99.6	99.6	$34,659	$500	$34,159
Cherokee Street Elementary School	Public	K-5	130 Cherokee St	Ronkonkoma	11779	Suffolk County	Connetquot Central School District	No	No	No	Yes	(631) 467-6027	618	68	9.0	25.4%	337 (54.5%)	28 (4.5%)	193 (31.2%)	45 (7.3%)	2 (0.3%)	0 (0.0%)	13 (2.1%)	33.7	1666^th of 2445 public elementary schools	31.9%		48.3	1211^th of 2445 public elementary schools	50.5%	455	38.5	44.8	43.6		61.1	50.0	42.9		36.7	99.6	99.6	99.6	99.6	99.6	99.6	99.6	99.6	$37,036	$1,019	$36,017
Andrew T Morrow School	Public	K-6	299 Sycamore Ave	Islandia	11749	Suffolk County	Central Islip Union Free School District	No	No	No	No	(631) 348-5037	821	60	13.6	72.5%	18 (2.2%)	85 (10.4%)	695 (84.7%)	9 (1.1%)	1 (0.1%)	1 (0.1%)	12 (1.5%)	23.2	1981^st of 2445 public elementary schools	19.0%		24.5	1920^th of 2445 public elementary schools	21.5%	61	47.4	41.3	34.3	21.1	61.1	55.7	28.4	20.0	18.9	97.8	99.9	100.0	100.0	100.0	99.7	99.9	98.0	$20,177	$240	$19,937
Hiawatha School	Public	K-5	97 Patchogue-Holbrook Rd	Lake Ronkonkoma	11779	Suffolk County	Sachem Central School District	No	No	No	Yes	(631) 471-1830	541	43	12.5	38.8%	259 (47.9%)	22 (4.1%)	175 (32.3%)	61 (11.3%)	3 (0.6%)	1 (0.2%)	20 (3.7%)	35.5	1603^rd of 2445 public elementary schools	34.4%		30	1744^th of 2445 public elementary schools	28.7%	141	30.0	37.9	45.5		38.6	59.0	67.4		51.1	97.9	97.9	97.9	97.9	97.9	97.9	97.9	97.9	$29,893	$925	$28,968
Tackan Elementary School	Public, Magnet	K-5	99 Midwood Ave	Nesconset	11767	Suffolk County	Smithtown Central School District	No	Yes	No	No	(631) 382-2675	470	34	13.7	19.4%	338 (71.9%)	16 (3.4%)	60 (12.8%)	46 (9.8%)	0 (0.0%)	1 (0.2%)	9 (1.9%)	75.3	538^th of 2445 public elementary schools	78.0%		78.8	458^th of 2445 public elementary schools	81.3%	80	80.4	53.1	77.2		64.7	76.5	73.3		67.2	98.4	98.9	99.3	99.3	99.3	98.9	99.3	99.6	$31,720	$176	$31,544
John Pearl Elementary School	Public	K-5	1070 Smithtown Ave	Bohemia	11716	Suffolk County	Connetquot Central School District	No	No	No	No	(631) 244-2300	193	18	10.9	14.5%	133 (68.9%)	6 (3.1%)	38 (19.7%)	10 (5.2%)	1 (0.5%)	1 (0.5%)	4 (2.1%)	78.4	471^st of 2445 public elementary schools	80.7%		73.6	560^th of 2445 public elementary schools	77.1%	89	76.0	66.7	72.2		72.0	82.4	64.7		64.7	97.1	97.1	98.6	98.6	98.6	97.1	97.6	97.6	$39,347	$663	$38,683
Cayuga School	Public	K-5	865 Hawkins Ave	Lake Grove	11755	Suffolk County	Sachem Central School District	No	No	No	Yes	(631) 471-1800	539	47	11.5	33.4%	314 (58.3%)	21 (3.9%)	151 (28.0%)	36 (6.7%)	3 (0.6%)	0 (0.0%)	14 (2.6%)	48.7	1225^th of 2445 public elementary schools	49.9%		50.4	1158^th of 2445 public elementary schools	52.6%	67	56.5	51.3	39.5		61.7	72.5	56.8		38.5	98.5	98.7	99.6	99.6	99.6	98.7	98.9	99.1	$29,057	$913	$28,145
Francis J O'Neill School	Public	K-6	44 E Cherry St	Central Islip	11722	Suffolk County	Central Islip Union Free School District	No	No	No	Yes	(631) 348-5060	600	44	13.7	75.2%	14 (2.3%)	114 (19.0%)	443 (73.8%)	6 (1.0%)	2 (0.3%)	1 (0.2%)	20 (3.3%)	29.7	1782^nd of 2445 public elementary schools	27.1%		28.7	1783^rd of 2445 public elementary schools	27.1%	1	37.4	53.1	40.0	41.5	48.0	52.0	37.2	38.0	23.5	99.3	99.8	100.0	100.0	100.0	99.8	100.0	100.0	$28,719	$579	$28,140
Marguerite L Mulvey School	Public	K-6	44 E Cherry St	Central Islip	11722	Suffolk County	Central Islip Union Free School District	No	No	No	Yes	(631) 348-5059	567	45	12.6	62.1%	5 (0.9%)	55 (9.7%)	480 (84.7%)	10 (1.8%)	0 (0.0%)	1 (0.2%)	16 (2.8%)	20.6	2058^th of 2445 public elementary schools	15.8%		29.7	1755^th of 2445 public elementary schools	28.2%	303	20.0	47.0	48.8	29.7	23.7	49.2	37.8	29.7	27.0	95.8	99.3	99.8	99.8	99.8	96.9	99.2	98.0	$25,936	$457	$25,479

Frequently Asked Questions about Helen B Duffield Elementary School

How many students attend Helen B Duffield Elementary School?

In the 2024-25 school year, 313 students attended Helen B Duffield Elementary School.

What district is Helen B Duffield Elementary School in?

Connetquot Central School District

Is Helen B Duffield Elementary School a good school?

Helen B Duffield Elementary School ranks 1462^nd of 2445 New York elementary schools. SchoolDigger rates this school 2 stars out of 5.

What is the racial makeup of Helen B Duffield Elementary School?

Students at Helen B Duffield Elementary School are 50% White, 26% Hispanic, 15% Asian, 4% African American, 4% Two or more races.

Rate Helen B Duffield Elementary School!

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the WNYC and the New York State Department of Health and the NY State Education Department.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.