- Enrollment
- 1,774
- Students per teacher
- 11.2:1
- Resource Index
- 45/100
Elementary school (grades K-5) · Ronkonkoma, NY
Helen B Duffield Elementary School
Federal NCES profile for Helen B Duffield Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataElementary school (grades K-5)NCES 360816004383
👥 S:T ratio 57
🌟 Gifted program 30
🎓 Counselors 37
📋 Attendance 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Helen B Duffield Elementary School earns 39/100 on the Resource Investment Index, with class sizes near the New York median.
- #3 of 4
- public schools in Ronkonkoma · Resource Index
- 39
- Resource Index · Typical
- 10.8:1
- students per teacher
- 29.8%
- free-lunch eligible
Helen B Duffield Elementary School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Helen B Duffield Elementary School ranks #3 of 4 public schools in Ronkonkoma, NY.
School address
District: Connetquot Central School District · New York
NCES ID 360816004383 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+11 students YoY
Helen B Duffield Elementary School held near 333 students from 2022-23 to 2023-24 (+11 headcount).
Teacher FTE lost 29.3 → 28.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+11 students YoY 360816004383 · Ronkonkoma, NY Elementary · SMALL · TRAD
313 enr · 10.8:1 · 29.8% lunch · RII 39
Nearest enrollment peer: Connetquot High School (1,774 students)
Helen B Duffield Elementary School held near 333 students from 2022-23 to 2023-24 (+11 headcount). Teacher FTE lost 29.3 → 28.8 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Helen B Duffield Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Connetquot Hig
Connetquot High School
1,774 students
- Ronkonkoma Mid 641
Ronkonkoma Middle School
641 students
- Cherokee Stree 618
Cherokee Street Elementary School
618 students
- Oakdale-Bohemi 564
Oakdale-Bohemia Middle School
564 students
- Sycamore Avenu 380
Sycamore Avenue Elementary School
380 students
- This school 313
Helen B Duffield Elementary School
313 students
What this shows Helen B Duffield Elementary School reports 313 students on the CCD universe file.
How Helen B Duffield Elementary School compares
Helen B Duffield Elementary School held steady on CCD headcount: ratios and free-lunch share vs 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 | 29.8% | ▼ 47% | 56.2% | 51.7% |
| Enrollment | 313 | top 73% | - | - |
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.
313
Bigger than 34% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
29.8%
free-lunch eligible
- 47% below the New York average of 56.2%
Below the 40% Title I threshold; 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
27.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$36,328
per pupil, district-wide
- above New York avg of $28,120
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 313 students, the combined health-and-guidance staffing load for this school.
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.
Student demographics
White 50.5%
Hispanic or Latino 25.9%
Asian 15.3%
African American 4.5%
Two or More 3.5%
American Indian / Alaska Native 0.3%
Largest group: White at 50.5% of enrollment.
Student-body diversity index 65.1/100
Simpson diversity index - at 65.1, Helen B Duffield Elementary School is more mixed than the New York school average of 45.5.
Programs
District finance for Connetquot Central School District reports $36,328 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Helen B Duffield Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Connetquot High School | Larger | Similar economic need | Similar S:T ratio |
| Ronkonkoma Middle School | Larger | Similar economic need | Lower S:T ratio |
| Cherokee Street Elementary School | Larger | Similar economic need | Similar S:T ratio |
| Oakdale-Bohemia Middle School | Larger | Similar economic need | Lower S:T ratio |
| Sycamore Avenue Elementary School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Helen B Duffield Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 641
- Students per teacher
- 9.2:1
- Resource Index
- 55/100
- Enrollment
- 618
- Students per teacher
- 10.7:1
- Resource Index
- 39/100
- Enrollment
- 564
- Students per teacher
- 8.7:1
- Resource Index
- 56/100
- Enrollment
- 380
- Students per teacher
- 8.1:1
- Resource Index
- 49/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~313 students)
Frequently asked questions about Helen B Duffield Elementary School
How many students attend Helen B Duffield Elementary School?
Helen B Duffield Elementary School has 313 students enrolled. It is an elementary school in Ronkonkoma, NY. CCD year-over-year: 322 (2022-23) → 333 (2023-24), nearly flat (+11).
What is the student-teacher ratio at Helen B Duffield Elementary School?
The student-teacher ratio at Helen B Duffield 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 Helen B Duffield Elementary School?
29.8% of students at Helen B Duffield Elementary School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Helen B Duffield Elementary School?
The largest demographic group at Helen B Duffield Elementary School is White at 50.5% of enrollment, in Ronkonkoma, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.1/100.
What is the Resource Investment Index for Helen B Duffield Elementary School?
Helen B Duffield Elementary School has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Helen B Duffield Elementary School rank among public schools in Ronkonkoma?
By Resource Investment Index, Helen B Duffield Elementary School ranks #3 of 4 public schools in Ronkonkoma, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Connetquot Central School District?
Besides Helen B Duffield Elementary School, Connetquot Central School District also operates Connetquot High School (1,774 students), Ronkonkoma Middle School (641 students), and Cherokee Street Elementary School (618 students). See the Connetquot Central School District district page for the complete list.