- Enrollment
- 2,953
- Students per teacher
- 20.9:1
- Resource Index
- 40/100
Elementary school (grades K-5) · Bronx, NY
Ps 91
Federal NCES profile for Ps 91, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataElementary school (grades K-5)NCES 360008705140
👥 S:T ratio 65
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ps 91 earns 32/100 on the Resource Investment Index, with class sizes smaller than 84% of New York schools.
- #30 of 86
- elementary schools in Bronx · Resource Index
- 32
- Resource Index · Typical
- 8.8:1
- small classes for New York
- 97.2%
- free-lunch eligible
Ps 91 has class sizes smaller than 84% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ps 91 ranks #30 of 86 elementary schools in Bronx, NY.
School address
District: New York City Geographic District #10 · New York
NCES ID 360008705140 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-35 students YoY
Ps 91 shrank from 388 students in 2022-23 to 353 in 2023-24 (-9.0%).
Teacher FTE added 40.0 → 41.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-35 students YoY 360008705140 · Bronx, NY Elementary · SMALL · TRAD
354 enr · 8.8:1 · 97.2% lunch · RII 32
Nearest enrollment peer: Bronx High School of Science (the) (2,953 students)
Ps 91 shrank from 388 students in 2022-23 to 353 in 2023-24 (-9.0%). Teacher FTE added 40.0 → 41.0 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Ps 91 in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Bronx High Sch
Bronx High School of Science (the)
2,953 students
- Riverdale/King
Riverdale/Kingsbridge Academy (Ms/Hs 141)
1,383 students
- Dewitt Clinton
Dewitt Clinton High School
1,212 students
- Ps 86 Kingsbri 1,091
Ps 86 Kingsbridge Heights
1,091 students
- In-Tech Academ 953
In-Tech Academy (Ms/Hs 368)
953 students
- This school 354
Ps 91
354 students
What this shows Ps 91 reports 354 students on the CCD universe file.
How Ps 91 compares
Ps 91 is a shrinking 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 | 8.8:1 | ▼ 25% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 97.2% | ▲ 73% | 56.2% | 51.7% |
| Enrollment | 354 | top 64% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.8:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
354
Bigger than 40% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
97.2%
free-lunch eligible
- 73% above the New York average of 56.2%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
8.8:1
students per teacher
- 25% below state mean
Top 16% in New York - lower ratio than 84% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
79.1%
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.
Student demographics
Hispanic or Latino 80.8%
African American 11.0%
Asian 3.4%
White 2.5%
American Indian / Alaska Native 2.0%
Two or More 0.3%
Largest group: Hispanic or Latino at 80.8% of enrollment.
Student-body diversity index 33.3/100
Simpson diversity index - at 33.3, Ps 91 is less mixed than the New York school average of 45.5.
How Ps 91 Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Bronx High School of Science (the) | Larger | Lower economic need | Higher S:T ratio |
| Riverdale/Kingsbridge Academy (Ms/Hs 141) | Larger | Lower economic need | Higher S:T ratio |
| Dewitt Clinton High School | Larger | Lower economic need | Higher S:T ratio |
| Ps 86 Kingsbridge Heights | Larger | Similar economic need | Higher S:T ratio |
| In-Tech Academy (Ms/Hs 368) | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Ps 91's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,383
- Students per teacher
- 15.2:1
- Resource Index
- 39/100
- Enrollment
- 1,212
- Students per teacher
- 15.2:1
- Resource Index
- 20/100
- Enrollment
- 1,091
- Students per teacher
- 10.6:1
- Resource Index
- 29/100
- Enrollment
- 953
- Students per teacher
- 13.4:1
- Resource Index
- 23/100
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 (~354 students)
Frequently asked questions about Ps 91
How many students attend Ps 91?
Ps 91 has 354 students enrolled. It is an elementary school in Bronx, NY. CCD year-over-year: 388 (2022-23) → 353 (2023-24), down 35.
What is the student-teacher ratio at Ps 91?
The student-teacher ratio at Ps 91 is 8.8:1, which is 25% lower than the New York average of 11.8:1 and 44% 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 Ps 91?
97.2% of students at Ps 91 are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Ps 91?
The largest demographic group at Ps 91 is Hispanic or Latino at 80.8% of enrollment, in Bronx, NY.
What is the Resource Investment Index for Ps 91?
Ps 91 has a Resource Investment Index of 32/100 (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 91 rank among elementary schools in Bronx?
By Resource Investment Index, Ps 91 ranks #30 of 86 elementary schools in Bronx, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Bronx on the city page.
What other schools are in New York City Geographic District #10?
Besides Ps 91, New York City Geographic District #10 also operates Bronx High School of Science (the) (2,953 students), Riverdale/Kingsbridge Academy (Ms/Hs 141) (1,383 students), and Dewitt Clinton High School (1,212 students). See the New York City Geographic District #10 district page for the complete list.