Other / mixed grade configuration · Bronx, NY

Cornerstone Academy for Social Action

Federal NCES profile for Cornerstone Academy for Social Action, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.

2024-25 NCES dataOther / mixed grade configurationNCES 360008805971
0/100100/10026/100
👥 S:T ratio
48
🌟 Gifted program
30
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Cornerstone Academy for Social Action earns 26/100 on the Resource Investment Index, with class sizes larger than 70% of New York schools.

#136 of 184
schools in Bronx · Resource Index
26
Resource Index · Lower
12.9:1
large classes for New York
86.2%
free-lunch eligible

Cornerstone Academy for Social Action has class sizes larger than 70% of New York schools. Computed live against every New York school reporting to NCES.

By Resource Investment Index, Cornerstone Academy for Social Action ranks #136 of 184 schools in Bronx, NY.

Enrollment

258

New York · 2024-25 NCES data

Teachers (FTE)

20.0

Federal CCD staff survey

Students per teacher

12.9:1

vs 11.8:1 New York avg

+9% vs state

Free-lunch eligible

86.2%

vs 56.2% New York avg

+53% vs state

Student-teacher ratio in context

How Cornerstone Academy for Social Action compares with New York and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Cornerstone Academy for Social Action

Cornerstone Academy for Social Action is a high-poverty, mid-sized combined-grade school in Bronx, New York, enrolling 258 students.

Class loads run somewhat heavier than typical: 12.9:1 puts it in the larger third of New York schools by student-teacher ratio.

Economic need runs somewhat above the state's typical profile, with 86.2% of students eligible for free meals.

Enrollment of 258 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 599 similarly sized, similarly resourced-need New York schools statewide, it ranks #499, in the lower tier once campus size and economic need are matched.

Its student body is led by Hispanic or Latino (52%) and African American (40%) (diversity index 57/100).

Chronic absenteeism is elevated: 72.5% 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.

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 Cornerstone Academy for Social Action compares

Cornerstone Academy for Social Action 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 12.9:1 ▲ 9% 11.8:1 15.7:1
Free-lunch eligible 86.2% ▲ 53% 56.2% 51.7%
Enrollment 258 top 83% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

12.9:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
258
Bigger than 26% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
86.2%
free-lunch eligible - 53% 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
12.9:1
students per teacher - 9% above state mean
Top 70% in New York - lower ratio than 30% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
72.5%
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 51.9%
African American 40.3%
Asian 3.9%
White 1.6%
American Indian / Alaska Native 1.2%
Two or More 0.8%
Native Hawaiian / Pacific Islander 0.4%

Largest group: Hispanic or Latino at 51.9% of enrollment.

Student-body diversity index 56.6/100

Simpson diversity index - at 56.6, Cornerstone Academy for Social Action is more mixed than the New York school average of 45.5.

How Cornerstone Academy for Social Action Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Harry S Truman High School Larger Similar economic need Similar S:T ratio
Ps 83 Donald Hertz Larger Similar economic need Similar S:T ratio
Ps 89 Larger Similar economic need Similar S:T ratio
Ps/Ms 194 Larger Similar economic need Similar S:T ratio
Ps 96 Richard Rodgers Larger Similar economic need Similar S:T ratio

Comparisons are relative to Cornerstone Academy for Social Action's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

New York City Geographic District #11 · 5 sibling schools

View district profile

Similar other 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.

Next steps

Verify locally before acting on Cornerstone Academy for Social Action'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.

Frequently asked questions about Cornerstone Academy for Social Action

How many students attend Cornerstone Academy for Social Action?

Cornerstone Academy for Social Action has 258 students enrolled. It is a public school in Bronx, NY.

What is the student-teacher ratio at Cornerstone Academy for Social Action?

The student-teacher ratio at Cornerstone Academy for Social Action is 12.9:1, which is 9% higher than the New York average of 11.8:1 and 18% lower than the national average of 15.7:1.

What percentage of students receive free lunch at Cornerstone Academy for Social Action?

86.2% of students at Cornerstone Academy for Social Action are eligible for free lunch, compared to the New York average of 56.2%.

What is the racial and ethnic makeup of Cornerstone Academy for Social Action?

The largest demographic group at Cornerstone Academy for Social Action is Hispanic or Latino at 51.9% of enrollment, in Bronx, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.6/100.

What is the Resource Investment Index for Cornerstone Academy for Social Action?

Cornerstone Academy for Social Action has a Resource Investment Index of 26/100 (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 Cornerstone Academy for Social Action rank among schools in Bronx?

By Resource Investment Index, Cornerstone Academy for Social Action ranks #136 of 184 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 schools in Bronx on the city page.

Is Cornerstone Academy for Social Action a good school?

Cornerstone Academy for Social Action earns 26/100 on the Resource Investment Index, with class sizes larger than 70% 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.

What other schools are in New York City Geographic District #11?

Besides Cornerstone Academy for Social Action, 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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.