Enrollment
165
New York · 2024-25 NCES data
Middle school (grades 6-8) · Bronx, NY
Federal NCES profile for Cornerstone Academy for Social Action Middle School (Casa), including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
The verdict
Cornerstone Academy for Social Action Middle School (Casa) earns 32/100 on the Resource Investment Index, with class sizes smaller than 85% of New York schools.
Cornerstone Academy for Social Action Middle School (Casa) has class sizes smaller than 85% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Cornerstone Academy for Social Action Middle School (Casa) ranks #35 of 72 middle schools in Bronx, NY.
NCES ID 360008806107 Verify on NCES CCD record →
Enrollment
165
New York · 2024-25 NCES data
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
8.7:1
vs 11.8:1 New York avg
-26% vs state
Free-lunch eligible
88.6%
vs 56.2% New York avg
+58% vs state
How Cornerstone Academy for Social Action Middle School (Casa) compares with New York and U.S. medians
Smaller classes than state median
8.7:1 - 3.1 below the New York state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Cornerstone Academy for Social Action Middle School (Casa) is a high-poverty, small middle school in Bronx, New York, enrolling 165 students.
Classes run notably small here: at 8.7:1, Cornerstone Academy for Social Action Middle School (Casa) is leaner than roughly 85% of New York schools and 26% under the state's 11.8:1 norm, more adult attention per pupil than most peers.
Economic need is high: 88.6% of students qualify for free meals, 58% above the New York average, a Title I-weighted population that federal funding formulas prioritise.
This is a small campus: fewer students than 94% of New York schools, with 165 enrolled.
Its Resource Investment Index sits near the middle of the pack among 4,801 scored New York schools.
Against 273 statewide peers matched on enrollment and economic need, it ranks mid-pack at #152.
Its student body is led by African American (51%) and Hispanic or Latino (45%) (diversity index 54/100).
Chronic absenteeism is elevated: 67.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
New York City Geographic District #11 also operates Harry S Truman High School (1,650 students) and Ps 83 Donald Hertz (1,451 students) alongside Cornerstone Academy for Social Action Middle School (Casa).
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
Cornerstone Academy for Social Action Middle School (Casa) 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 | 8.7:1 | ▼ 26% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 88.6% | ▲ 58% | 56.2% | 51.7% |
| Enrollment | 165 | top 94% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: African American at 50.9% of enrollment.
Simpson diversity index - at 53.9, Cornerstone Academy for Social Action Middle School (Casa) is more mixed than the New York school average of 45.5.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Harry S Truman High School | Larger | Lower economic need | Higher S:T ratio |
| Ps 83 Donald Hertz | Larger | Lower economic need | Higher S:T ratio |
| Ps 89 | Larger | Similar economic need | Higher S:T ratio |
| Ps/Ms 194 | Larger | Similar economic need | Higher S:T ratio |
| Ps 96 Richard Rodgers | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Cornerstone Academy for Social Action Middle School (Casa)'s own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Cornerstone Academy for Social Action Middle School (Casa)'s federal record.
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.
Cornerstone Academy for Social Action Middle School (Casa) has 165 students enrolled. It is a middle school in Bronx, NY.
The student-teacher ratio at Cornerstone Academy for Social Action Middle School (Casa) is 8.7:1, which is 26% lower than the New York average of 11.8:1 and 45% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
88.6% of students at Cornerstone Academy for Social Action Middle School (Casa) are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at Cornerstone Academy for Social Action Middle School (Casa) is African American at 50.9% of enrollment, in Bronx, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.9/100.
Cornerstone Academy for Social Action Middle School (Casa) has a Resource Investment Index of 32/100 (typical 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).
By Resource Investment Index, Cornerstone Academy for Social Action Middle School (Casa) ranks #35 of 72 middle 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 middle schools in Bronx on the city page.
Cornerstone Academy for Social Action Middle School (Casa) earns 32/100 on the Resource Investment Index, with class sizes smaller than 85% of New York schools. 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.
Besides Cornerstone Academy for Social Action Middle School (Casa), New York City Geographic District #11 also operates Harry S Truman High School (1,650 students), Ps 83 Donald Hertz (1,451 students), and Ps 89 (1,169 students). See the New York City Geographic District #11 district page for the complete list.
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.
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PlainSchools, “Cornerstone Academy for Social Action Middle School (Casa), Bronx NY.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/cornerstone-academy-for-social-action-middle-school-casa-ny
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