HELEN B DUFFIELD ELEMENTARY SCHOOL

Regular School · RONKONKOMA, NY

HELEN B DUFFIELD ELEMENTARY SCHOOL is a regular school school in RONKONKOMA, New York, serving grades KG–05 with 313 students enrolled (SY 2024-2025). The student-teacher ratio is 10.2:1.

Level

Elementary

Grades

KG – 05

Enrollment

313

Teachers (FTE)

30.8

Student–Teacher Ratio

10.2:1

Status

Open

Lunch Program Participation

Yes under Community Eligibility Option (CEO)

Student Demographics (SY 2024-2025)

Race / Ethnicity	Students	Share
White	158	50%
Hispanic/Latino	81	26%
Asian	48	15%
Black or African American	14	4%
Two or more races	11	4%
American Indian / Alaska Native	1	0%
Total enrollment	313	152M / 161F

English Language Learners: 23 (7% of enrollment) · SY 2021–22

Academic Performance (SY 2021-2022)

Metric	This School	State Avg	Tested
Math Proficiency	70-79%	55.2%	50
Science Proficiency	>=80%	—	22

Source: EDFacts, SY 2020–2021. Suppressed values (e.g. <=10%) indicate fewer than the minimum reportable threshold.

Stanford Achievement Estimate

Pooled score across SY 2009–2022 (grades 3–8), expressed in grade levels relative to the national average. Positive = above average.

Overall (Math + ELA)

-0.12 grade levels

Math

-0.13 grade levels

Programs & Discipline

Gifted & Talented

None offered

Out-of-School Suspensions

Chronically Absent

10.5% of enrollment · SY 2019–20

Source: Civil Rights Data Collection (CRDC), Office for Civil Rights & EDFacts.

Lunch Program (SY 2024-2025)

Category	Students	% of School
Total enrollment (est.)	313	100%

Contact & Location

600 1ST ST

RONKONKOMA, NY 11779

Phone: (631)467-6010

http://www.ccsdli.org

District

CONNETQUOT CENTRAL SCHOOL DISTRICT

Per-pupil expenditure: $41,383

District enrollment: 5,293

Other Schools in District

CHEROKEE STREET ELEMENTARY SCHOOL Elementary
EDITH L SLOCUM ELEMENTARY SCHOOL Elementary
EDWARD J BOSTI ELEMENTARY SCHOOL Elementary
IDLE HOUR ELEMENTARY SCHOOL Elementary
JOHN PEARL ELEMENTARY SCHOOL Elementary
SYCAMORE AVENUE ELEMENTARY SCHOOL Elementary
CONNETQUOT HIGH SCHOOL High
OAKDALE-BOHEMIA MIDDLE SCHOOL Middle

View all 9 schools →

Related Data

Neighborhood demographics (ZIP 11779) → CensusDepth.com
New York population & income data → CensusDepth.com
New York teacher salaries → WageDepth.com

NCES ID

360816004383

Data sources: NCES CCD SY 2024-2025 (directory, staff, lunch), EDFacts SY 2020-21 (assessments), CRDC SY 2021-22 (programs & discipline), SEDA v6.0 (achievement estimates). Updated annually. NCES CCD