- Enrollment
- 2,953
- Students per teacher
- 20.9:1
- Resource Index
- 40/100
Elementary school (grades K-5) · Bronx, NY
Ps 315 Lab School
Federal NCES profile for Ps 315 Lab School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.
2024-25 NCES dataElementary school (grades K-5)NCES 360008702939
👥 S:T ratio 50
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ps 315 Lab School earns 25/100 on the Resource Investment Index, with class sizes near the New York median.
- #64 of 86
- elementary schools in Bronx · Resource Index
- 25
- Resource Index · Lower
- 12.6:1
- students per teacher
- 94.2%
- free-lunch eligible
Ps 315 Lab School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ps 315 Lab School ranks #64 of 86 elementary schools in Bronx, NY.
School address
District: New York City Geographic District #10 · New York
NCES ID 360008702939 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-2 students YoY
Ps 315 Lab School held near 188 students from 2022-23 to 2023-24 (-2 headcount).
Teacher FTE held 16.5 → 16.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-2 students YoY 360008702939 · Bronx, NY Elementary · SMALL · TRAD
202 enr · 12.6:1 · 94.2% lunch · RII 25
Nearest enrollment peer: Bronx High School of Science (the) (2,953 students)
Ps 315 Lab School held near 188 students from 2022-23 to 2023-24 (-2 headcount). Teacher FTE held 16.5 → 16.3 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Ps 315 Lab School 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 202
Ps 315 Lab School
202 students
What this shows Ps 315 Lab School reports 202 students on the CCD universe file.
How Ps 315 Lab School compares
Ps 315 Lab 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 | 12.6:1 | ▲ 7% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 94.2% | ▲ 68% | 56.2% | 51.7% |
| Enrollment | 202 | top 90% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.6:1
Leaner classes than 70% of US schools, among the more generously staffed nationally.
202
Bigger than 20% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
94.2%
free-lunch eligible
- 68% 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
12.6:1
students per teacher
- 7% above state mean
Top 67% in New York - lower ratio than 33% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
41.1%
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 86.1%
African American 10.4%
White 2.5%
Asian 1.0%
Largest group: Hispanic or Latino at 86.1% of enrollment.
Student-body diversity index 24.7/100
Simpson diversity index - at 24.7, Ps 315 Lab School is less mixed than the New York school average of 45.5.
How Ps 315 Lab School 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 | Similar economic need | Higher S:T ratio |
| Ps 86 Kingsbridge Heights | Larger | Similar economic need | Lower S:T ratio |
| In-Tech Academy (Ms/Hs 368) | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Ps 315 Lab School'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 (~202 students)
Frequently asked questions about Ps 315 Lab School
How many students attend Ps 315 Lab School?
Ps 315 Lab School has 202 students enrolled. It is an elementary school in Bronx, NY. CCD year-over-year: 190 (2022-23) → 188 (2023-24), nearly flat (-2).
What is the student-teacher ratio at Ps 315 Lab School?
The student-teacher ratio at Ps 315 Lab School is 12.6:1, which is 7% higher than the New York average of 11.8:1 and 20% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Ps 315 Lab School?
94.2% of students at Ps 315 Lab School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Ps 315 Lab School?
The largest demographic group at Ps 315 Lab School is Hispanic or Latino at 86.1% of enrollment, in Bronx, NY.
What is the Resource Investment Index for Ps 315 Lab School?
Ps 315 Lab School has a Resource Investment Index of 25/100 (lower 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 315 Lab School rank among elementary schools in Bronx?
By Resource Investment Index, Ps 315 Lab School ranks #64 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 315 Lab School, 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.