Enrollment
202
New York · 2024-25 NCES data
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 27/100.
2024-25 NCES dataElementary school (grades K-5)NCES 360008702939
👥 S:T ratio 50
🌟 Gifted program 30
📋 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 27/100 on the Resource Investment Index, with class sizes near the New York median.
- #64 of 86
- elementary schools in Bronx · Resource Index
- 27
- 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 →
Teachers (FTE)
16.0
Federal CCD staff survey
Students per teacher
12.6:1
vs 11.8:1 New York avg
+7% vs state
Free-lunch eligible
94.2%
vs 56.2% New York avg
+68% vs state
Student-teacher ratio in context
How Ps 315 Lab School compares with New York and U.S. medians
What stands out at Ps 315 Lab School
Ps 315 Lab School is a high-poverty, small elementary school in Bronx, New York, enrolling 202 students.
Class loads run somewhat heavier than typical: 12.6:1 puts it in the larger third of New York schools by student-teacher ratio.
Economic need is high: 94.2% of students qualify for free meals, 68% above the New York average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 202 puts it in the smaller third of New York schools by headcount.
Its Resource Investment Index lands in the lower third of 4,801 scored New York schools.
Among 332 similarly sized, similarly resourced-need New York schools statewide, it ranks #288, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (86% of enrollment) (diversity index 25/100).
Chronic absenteeism is elevated: 41.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
New York City Geographic District #10 also operates Bronx High School of Science (the) (2,953 students) and Riverdale/Kingsbridge Academy (Ms/Hs 141) (1,383 students) alongside Ps 315 Lab School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Ps 315 Lab School compares
Ps 315 Lab School on the metrics families compare, against 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 (what these measure)
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.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
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
- 2,953
- Students per teacher
- 20.9:1
- Resource Index
- 40/100
- 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
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~202 students)
Next steps
Verify locally before acting on Ps 315 Lab School's federal record.
- Compare Ps 315 Lab School against another school. Compare schools
- New York City Geographic District #10's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
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.
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 27/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
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.
Is Ps 315 Lab School a good school?
Ps 315 Lab School earns 27/100 on the Resource Investment Index, with class sizes near the New York median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
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.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.