- Enrollment
- 1,028
- Students per teacher
- 12.5:1
- Resource Index
- 25/100
Other / mixed grade configuration · Brooklyn, NY
Ps 31 Samuel F Dupont
Federal NCES profile for Ps 31 Samuel F Dupont, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataOther / mixed grade configurationNCES 360011902144
👥 S:T ratio 17
📋 Attendance 66
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ps 31 Samuel F Dupont earns 42/100 on the Resource Investment Index, with class sizes larger than 98% of New York schools. It is also more racially and ethnically mixed than most New York schools.
- #30 of 262
- schools in Brooklyn · Resource Index
- 42
- Resource Index · Typical
- 20.8:1
- large classes for New York
- 67.7%
- free-lunch eligible
Ps 31 Samuel F Dupont has class sizes larger than 98% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ps 31 Samuel F Dupont ranks #30 of 262 schools in Brooklyn, NY.
School address
District: New York City Geographic District #14 · New York
NCES ID 360011902144 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+59 students YoY
Ps 31 Samuel F Dupont grew from 524 students in 2022-23 to 583 in 2023-24 (+11.3%).
Teacher FTE added 31.4 → 31.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+59 students YoY 360011902144 · Brooklyn, NY Other · MID · TRAD
644 enr · 20.8:1 · 67.7% lunch · RII 42
Nearest enrollment peer: Is 318 Eugenio Maria De Hostos (1,028 students)
Ps 31 Samuel F Dupont grew from 524 students in 2022-23 to 583 in 2023-24 (+11.3%). Teacher FTE added 31.4 → 31.7 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Ps 31 Samuel F Dupont in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Is 318 Eugenio
Is 318 Eugenio Maria De Hostos
1,028 students
- Brooklyn Latin
Brooklyn Latin School (the)
772 students
- Williamsburg P
Williamsburg Preparatory School
667 students
- This school
Ps 31 Samuel F Dupont
644 students
- Ps 84 Jose De
Ps 84 Jose De Diego
636 students
- Williamsburg H
Williamsburg High School for Architecture and Design
622 students
What this shows Ps 31 Samuel F Dupont reports 644 students on the CCD universe file.
How Ps 31 Samuel F Dupont compares
Ps 31 Samuel F Dupont is a growing campus on CCD: 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 | 20.8:1 | ▲ 76% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 67.7% | ▲ 20% | 56.2% | 51.7% |
| Enrollment | 644 | top 22% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.8:1
Leaner classes than 13% of US schools, heavier class loads than most.
644
Bigger than 76% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
67.7%
free-lunch eligible
- 20% above the New York average of 56.2%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
20.8:1
students per teacher
- 76% above state mean
Top 98% in New York - lower ratio than 2% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
13.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Student demographics
White 46.4%
Hispanic or Latino 34.0%
Asian 7.0%
Two or More 6.5%
African American 6.1%
Largest group: White at 46.4% of enrollment.
Student-body diversity index 65.6/100
Simpson diversity index - at 65.6, Ps 31 Samuel F Dupont is more mixed than the New York school average of 45.5.
How Ps 31 Samuel F Dupont Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Is 318 Eugenio Maria De Hostos | Larger | Similar economic need | Lower S:T ratio |
| Brooklyn Latin School (the) | Similar size | Lower economic need | Lower S:T ratio |
| Williamsburg Preparatory School | Similar size | Higher economic need | Lower S:T ratio |
| Ps 84 Jose De Diego | Similar size | Lower economic need | Lower S:T ratio |
| Williamsburg High School for Architecture and Design | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Ps 31 Samuel F Dupont's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 772
- Students per teacher
- 15.4:1
- Resource Index
- 24/100
- Enrollment
- 667
- Students per teacher
- 12.8:1
- Resource Index
- 24/100
- Enrollment
- 636
- Students per teacher
- 9.2:1
- Resource Index
- 32/100
- Enrollment
- 622
- Students per teacher
- 18.3:1
- Resource Index
- 24/100
Nationwide other 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 (~644 students)
Frequently asked questions about Ps 31 Samuel F Dupont
How many students attend Ps 31 Samuel F Dupont?
Ps 31 Samuel F Dupont has 644 students enrolled. It is a public school in Brooklyn, NY. CCD year-over-year: 524 (2022-23) → 583 (2023-24), up 59.
What is the student-teacher ratio at Ps 31 Samuel F Dupont?
The student-teacher ratio at Ps 31 Samuel F Dupont is 20.8:1, which is 76% higher than the New York average of 11.8:1 and 32% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Ps 31 Samuel F Dupont?
67.7% of students at Ps 31 Samuel F Dupont are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Ps 31 Samuel F Dupont?
The largest demographic group at Ps 31 Samuel F Dupont is White at 46.4% of enrollment, in Brooklyn, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.6/100.
What is the Resource Investment Index for Ps 31 Samuel F Dupont?
Ps 31 Samuel F Dupont has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Ps 31 Samuel F Dupont rank among schools in Brooklyn?
By Resource Investment Index, Ps 31 Samuel F Dupont ranks #30 of 262 schools in Brooklyn, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Brooklyn on the city page.
What other schools are in New York City Geographic District #14?
Besides Ps 31 Samuel F Dupont, New York City Geographic District #14 also operates Is 318 Eugenio Maria De Hostos (1,028 students), Brooklyn Latin School (the) (772 students), and Williamsburg Preparatory School (667 students). See the New York City Geographic District #14 district page for the complete list.