Excellent
#162 of 4,739 schools in NY
Top 3% in state
Helen B Duffield Elementary School
Elementary School · CONNETQUOT CENTRAL SCHOOL DISTRICT
600 1ST ST, Ronkonkoma, NY 11779
Enrollment
333
Student-Teacher
11.9:1
Score
8.7
Grades
Kindergarten – 5th
Enrollment
333
Student-Teacher
11.9:1
Score
8.7
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Ronkonkoma
#1 of 4
public schools
New York elementary schools
#116 of 2,549
In district
#2 of 10
CONNETQUOT CENTRAL SCHOOL DISTRICT
School environment
9.6 / 10
Exceptional
About Helen B Duffield Elementary School
Helen B Duffield Elementary School is a public elementary school in Ronkonkoma, NY, part of the CONNETQUOT CENTRAL SCHOOL DISTRICT. The school serves approximately 333 students in grades Kindergarten – 5th with a student-teacher ratio of 11.9:1. It holds a MySchoolScout rating of 8.7/10, placing it in the 96.6th percentile among NY schools — an above average rating overall.
Students demonstrate 70% proficiency in math, 22 points above the state average and 62% in reading/language arts, 5 points above the state average. The school scores particularly well in school environment (9.6/10). Located in a neighborhood with a median household income of $117,684, where 31% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Helen B Duffield Elementary School — Students at Helen B Duffield Elementary School score 70% proficient, which is above what's typical for similar communities (expected: 63%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
35.7%
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: 8.9/10.
How Helen B Duffield Elementary School Compares
See how Helen B Duffield Elementary School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 64.5% (2019) to 74.5% (2021). Reading/ELA proficiency has improved from 54.5% (2019) to 64.5% (2021).
Location
600 1ST ST, Ronkonkoma, NY 11779
Nearby Alternatives
Families considering Helen B Duffield Elementary School may also want to explore other elementary schools in the area. CAYUGA SCHOOL (rated 8.4/10, 2.9 miles away, in nearby Lake Grove), with a very similar rating. Another option is TACKAN ELEMENTARY SCHOOL (rated 8.2/10, 2.7 miles away, in nearby Nesconset), with a comparable rating. Additionally, WENONAH SCHOOL (rated 8.2/10, 3.2 miles away, in nearby Lake Grove), with a comparable rating. For more schools in Ronkonkoma, see our Ronkonkoma schools guide .
Nearby Schools
20 within 3.1 mi| School | Distance | Rating |
|---|---|---|
| RONKONKOMA MIDDLE SCHOOL Ronkonkoma | 0.2 mi | 5.2 |
| EDITH L SLOCUM ELEMENTARY SCHOOL Ronkonkoma | 0.4 mi | 6.4 |
| NYSARC INC-SUFFOLK CHAPTER Bohemia | 1.3 mi | 5.5 |
| CONNETQUOT HIGH SCHOOL Bohemia | 1.4 mi | 7.5 |
| CHEROKEE STREET ELEMENTARY SCHOOL Ronkonkoma | 1.4 mi | 7.5 |
| CLEARY SCHOOL FOR THE DEAF Nesconset | 2.1 mi | 7.2 |
| TACKAN ELEMENTARY SCHOOL Nesconset | 2.7 mi | 8.2 |
| JOHN PEARL ELEMENTARY SCHOOL Bohemia | 2.7 mi | 5.7 |
| HIAWATHA SCHOOL Lake Ronkonkoma | 2.4 mi | 8.1 |
| CAYUGA SCHOOL Lake Grove | 2.9 mi | 8.4 |
| SAMOSET MIDDLE SCHOOL Lake Ronkonkoma | 2.7 mi | 5.4 |
| ANDREW T MORROW SCHOOL Islandia | 2.3 mi | 7.3 |
| SYCAMORE AVENUE ELEMENTARY SCHOOL Bohemia | 3.1 mi | 8.1 |
| SACHEM HIGH SCHOOL NORTH Lake Ronkonkoma | 2.9 mi | 8.2 |
| WENONAH SCHOOL Lake Grove | 3.2 mi | 8.2 |
| GREAT HOLLOW MIDDLE SCHOOL Nesconset | 3.2 mi | 6.7 |
| FRANCIS J O'NEILL SCHOOL Central Islip | 3.1 mi | 6.7 |
| MARGUERITE L MULVEY SCHOOL Central Islip | 3.1 mi | 6.8 |
| OAKDALE-BOHEMIA MIDDLE SCHOOL Oakdale | 3.9 mi | 7.5 |
| NOKOMIS SCHOOL Holbrook | 3.1 mi | 7.3 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 11779 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$117,684
Median Home Value
$465,400
Median Rent
$2,103/mo
Population
38,273
College Educated
31.1%
Homeownership
75.7%
Avg Commute
31.9 min
Poverty Rate
5.7%
Median Age
39.5
Community Profile
The community surrounding Helen B Duffield Elementary School has a median household income of $117,684. It is an area where 31% of adults hold a bachelor's degree or higher. The median home value in the area is $465,400, with a median rent of $2,103/month. The local poverty rate of 5.7% is relatively low. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| ACADEMY STREET ELEMENTARY SCHOOL Bayport, NY | 8.7 |
| CENTRE AVENUE ELEMENTARY SCHOOL East Rockaway, NY | 8.7 |
| DOS PUENTES ELEMENTARY SCHOOL New York, NY | 8.7 |
| FOREST AVENUE SCHOOL West Babylon, NY | 8.7 |
| HEATHCOTE SCHOOL Scarsdale, NY | 8.7 |
| IDLE HOUR ELEMENTARY SCHOOL Oakdale, NY | 8.7 |
Frequently Asked Questions
Common questions about Helen B Duffield Elementary School
What grades does Helen B Duffield Elementary School serve?
Helen B Duffield Elementary School serves students in grades Kindergarten through 5th.
How many students attend Helen B Duffield Elementary School?
Helen B Duffield Elementary School has an enrollment of approximately 333 students.
What is the student-teacher ratio at Helen B Duffield Elementary School?
The student-teacher ratio at Helen B Duffield Elementary School is 11.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Helen B Duffield Elementary School rank in NY?
Helen B Duffield Elementary School is ranked #162 out of 4,739 schools in NY.
What is Helen B Duffield Elementary School's MySchoolScout rating?
Helen B Duffield Elementary School has a composite rating of 8.7 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 Helen B Duffield Elementary School?
Based on the most recent state assessment data, Helen B Duffield Elementary School has 70.2% math proficiency and 61.6% reading/ELA proficiency.
Is Helen B Duffield Elementary School a charter school?
No, Helen B Duffield Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is Helen B Duffield Elementary School a Title I school?
No, Helen B Duffield Elementary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Helen B Duffield Elementary School?
35.7% of students at Helen B Duffield 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
- Kindergarten – 5th
- Enrollment
- 333
- Student-Teacher Ratio
- 11.9:1
- Teachers (FTE)
- 28
- Free/Reduced Lunch
- 35.7%
- Type
- regular
- Setting
- Large Suburb
- County
- Suffolk County
- Phone
- (631) 467-6010
- Data Year
- 2023–2024
Resources & Links
District
CONNETQUOT CENTRAL SCHOOL DISTRICT- District Enrollment
- 5,396
- Schools in District
- 10
- Per-Pupil Spending
- $37,015
- District Rank
- #2 of 10
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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