Enrollment
499
New York · 2024-25 NCES data
Other / mixed grade configuration · Brooklyn, NY
Ps 90 Edna Cohen School
Federal NCES profile for Ps 90 Edna Cohen School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
2024-25 NCES dataOther / mixed grade configurationNCES 360015202346
👥 S:T ratio 34
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ps 90 Edna Cohen School earns 21/100 on the Resource Investment Index, with class sizes larger than 93% of New York schools. It is also more racially and ethnically mixed than most New York schools.
- #252 of 262
- schools in Brooklyn · Resource Index
- 21
- Resource Index · Lower
- 16.6:1
- large classes for New York
- 85.8%
- free-lunch eligible
Ps 90 Edna Cohen School has class sizes larger than 93% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ps 90 Edna Cohen School ranks #252 of 262 schools in Brooklyn, NY.
School address
District: New York City Geographic District #21 · New York
NCES ID 360015202346 Verify on NCES CCD record →
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
16.6:1
vs 11.8:1 New York avg
+41% vs state
Free-lunch eligible
85.8%
vs 56.2% New York avg
+53% vs state
Student-teacher ratio in context
How Ps 90 Edna Cohen School compares with New York and U.S. medians
What stands out at Ps 90 Edna Cohen School
Ps 90 Edna Cohen School is a high-poverty, mid-sized combined-grade school in Brooklyn, New York, enrolling 499 students.
Class loads run heavy: 16.6:1 is larger than about 93% of New York schools and 41% above the 11.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 85.8% of students eligible for free meals.
With 499 students, its enrollment sits close to the New York median campus size.
Its Resource Investment Index trails 98% of the 4,801 New York schools with a score on record, one of the lower results on this measure.
Among 914 similarly sized, similarly resourced-need New York schools statewide, it ranks #858, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (41%) and African American (22%), more mixed than most schools in the state (diversity index 73/100).
Chronic absenteeism is elevated: 66.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
New York City Geographic District #21 also operates Edward R Murrow High School (3,503 students) and Abraham Lincoln High School (2,210 students) alongside Ps 90 Edna Cohen 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 90 Edna Cohen School compares
Ps 90 Edna Cohen 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 | 16.6:1 | ▲ 41% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 85.8% | ▲ 53% | 56.2% | 51.7% |
| Enrollment | 499 | top 38% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.6:1
Leaner classes than 33% of US schools, heavier class loads than most.
499
Bigger than 62% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
85.8%
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
16.6:1
students per teacher
- 41% above state mean
Top 93% in New York - lower ratio than 7% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
66.9%
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 41.1%
African American 21.8%
White 19.0%
Asian 14.8%
Two or More 1.6%
American Indian / Alaska Native 1.4%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 41.1% of enrollment.
Student-body diversity index 72.5/100
Simpson diversity index - at 72.5, Ps 90 Edna Cohen School is more mixed than the New York school average of 45.5.
How Ps 90 Edna Cohen School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Edward R Murrow High School | Larger | Lower economic need | Lower S:T ratio |
| Abraham Lincoln High School | Larger | Similar economic need | Similar S:T ratio |
| John Dewey High School | Larger | Similar economic need | Lower S:T ratio |
| Is 228 David a Boody | Larger | Lower economic need | Lower S:T ratio |
| Is 98 Bay Academy | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Ps 90 Edna Cohen School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,503
- Students per teacher
- 15.1:1
- Resource Index
- 40/100
- Enrollment
- 2,210
- Students per teacher
- 17.7:1
- Resource Index
- 29/100
- Enrollment
- 2,209
- Students per teacher
- 14.1:1
- Resource Index
- 22/100
- Enrollment
- 1,555
- Students per teacher
- 14:1
- Resource Index
- 33/100
- Enrollment
- 1,435
- Students per teacher
- 19.1:1
- Resource Index
- 25/100
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.
Similar enrollment (~499 students)
Next steps
Verify locally before acting on Ps 90 Edna Cohen School's federal record.
- Compare Ps 90 Edna Cohen School against another school. Compare schools
- New York City Geographic District #21'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 90 Edna Cohen School
How many students attend Ps 90 Edna Cohen School?
Ps 90 Edna Cohen School has 499 students enrolled. It is a public school in Brooklyn, NY.
What is the student-teacher ratio at Ps 90 Edna Cohen School?
The student-teacher ratio at Ps 90 Edna Cohen School is 16.6:1, which is 41% higher than the New York average of 11.8:1 and 6% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Ps 90 Edna Cohen School?
85.8% of students at Ps 90 Edna Cohen School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Ps 90 Edna Cohen School?
The largest demographic group at Ps 90 Edna Cohen School is Hispanic or Latino at 41.1% of enrollment, in Brooklyn, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.5/100.
What is the Resource Investment Index for Ps 90 Edna Cohen School?
Ps 90 Edna Cohen School has a Resource Investment Index of 21/100 (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 90 Edna Cohen School rank among schools in Brooklyn?
By Resource Investment Index, Ps 90 Edna Cohen School ranks #252 of 262 schools in Brooklyn, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Brooklyn on the city page.
Is Ps 90 Edna Cohen School a good school?
Ps 90 Edna Cohen School earns 21/100 on the Resource Investment Index, with class sizes larger than 93% of New York schools. It is also more racially and ethnically mixed than most 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 #21?
Besides Ps 90 Edna Cohen School, New York City Geographic District #21 also operates Edward R Murrow High School (3,503 students), Abraham Lincoln High School (2,210 students), and John Dewey High School (2,209 students). See the New York City Geographic District #21 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.