Enrollment
133
New York · 2024-25 NCES data
Other / mixed grade configuration · Brooklyn, NY
Ps 270 Johann Dekalb
Federal NCES profile for Ps 270 Johann Dekalb, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
2024-25 NCES dataOther / mixed grade configurationNCES 360009102784
👥 S:T ratio 47
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ps 270 Johann Dekalb earns 26/100 on the Resource Investment Index, with class sizes larger than 75% of New York schools. It is also one of the smallest schools in New York.
- #190 of 262
- schools in Brooklyn · Resource Index
- 26
- Resource Index · Lower
- 13.3:1
- large classes for New York
- 83.3%
- free-lunch eligible
Ps 270 Johann Dekalb has class sizes larger than 75% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ps 270 Johann Dekalb ranks #190 of 262 schools in Brooklyn, NY.
School address
District: New York City Geographic District #13 · New York
NCES ID 360009102784 Verify on NCES CCD record →
Teachers (FTE)
10.0
Federal CCD staff survey
Students per teacher
13.3:1
vs 11.8:1 New York avg
+13% vs state
Free-lunch eligible
83.3%
vs 56.2% New York avg
+48% vs state
Student-teacher ratio in context
How Ps 270 Johann Dekalb compares with New York and U.S. medians
What stands out at Ps 270 Johann Dekalb
Ps 270 Johann Dekalb is a high-poverty, small combined-grade school in Brooklyn, New York, enrolling 133 students.
Class loads run somewhat heavier than typical: 13.3:1 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 83.3% of students eligible for free meals.
This is a small campus: fewer students than 96% of New York schools, with 133 enrolled.
Its Resource Investment Index trails 91% of the 4,801 New York schools with a score on record, one of the lower results on this measure.
Among 190 similarly sized, similarly resourced-need New York schools statewide, it ranks #179, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (31%) and African American (30%), more mixed than most schools in the state (diversity index 73/100).
Chronic absenteeism is elevated: 70.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
New York City Geographic District #13 also operates Brooklyn Technical High School (5,848 students) and Ps 11 Purvis J Behan (923 students) alongside Ps 270 Johann Dekalb.
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 270 Johann Dekalb compares
Ps 270 Johann Dekalb 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 | 13.3:1 | ▲ 13% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 83.3% | ▲ 48% | 56.2% | 51.7% |
| Enrollment | 133 | top 96% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.3:1
Leaner classes than 64% of US schools, a middle-of-the-pack class size.
133
Bigger than 13% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
83.3%
free-lunch eligible
- 48% 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
13.3:1
students per teacher
- 13% above state mean
Top 75% in New York - lower ratio than 25% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
70.7%
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 30.8%
African American 30.1%
White 28.6%
Asian 6.0%
Native Hawaiian / Pacific Islander 3.0%
American Indian / Alaska Native 0.8%
Two or More 0.8%
Largest group: Hispanic or Latino at 30.8% of enrollment.
Student-body diversity index 72.8/100
Simpson diversity index - at 72.8, Ps 270 Johann Dekalb is more mixed than the New York school average of 45.5.
How Ps 270 Johann Dekalb Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Brooklyn Technical High School | Larger | Lower economic need | Higher S:T ratio |
| Ps 11 Purvis J Behan | Larger | Lower economic need | Higher S:T ratio |
| Benjamin Banneker Academy | Larger | Lower economic need | Higher S:T ratio |
| Ps 9 Sarah Smith Garnet School (the) | Larger | Lower economic need | Higher S:T ratio |
| Academy of Arts and Letters | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Ps 270 Johann Dekalb's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 5,848
- Students per teacher
- 19.8:1
- Resource Index
- 21/100
- Enrollment
- 923
- Students per teacher
- 22.5:1
- Resource Index
- 20/100
- Enrollment
- 854
- Students per teacher
- 15.8:1
- Resource Index
- 18/100
- Enrollment
- 782
- Students per teacher
- 15:1
- Resource Index
- 33/100
- Enrollment
- 757
- Students per teacher
- 15.8:1
- Resource Index
- 27/100
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 (~133 students)
Similar student-teacher ratio (~13.3:1)
Next steps
Verify locally before acting on Ps 270 Johann Dekalb's federal record.
- Compare Ps 270 Johann Dekalb against another school. Compare schools
- New York City Geographic District #13'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 270 Johann Dekalb
How many students attend Ps 270 Johann Dekalb?
Ps 270 Johann Dekalb has 133 students enrolled. It is a public school in Brooklyn, NY.
What is the student-teacher ratio at Ps 270 Johann Dekalb?
The student-teacher ratio at Ps 270 Johann Dekalb is 13.3:1, which is 13% higher than the New York average of 11.8:1 and 15% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Ps 270 Johann Dekalb?
83.3% of students at Ps 270 Johann Dekalb are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Ps 270 Johann Dekalb?
The largest demographic group at Ps 270 Johann Dekalb is Hispanic or Latino at 30.8% of enrollment, in Brooklyn, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.8/100.
What is the Resource Investment Index for Ps 270 Johann Dekalb?
Ps 270 Johann Dekalb 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 Ps 270 Johann Dekalb rank among schools in Brooklyn?
By Resource Investment Index, Ps 270 Johann Dekalb ranks #190 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 270 Johann Dekalb a good school?
Ps 270 Johann Dekalb earns 26/100 on the Resource Investment Index, with class sizes larger than 75% of New York schools. It is also one of the smallest schools in New York. 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 #13?
Besides Ps 270 Johann Dekalb, New York City Geographic District #13 also operates Brooklyn Technical High School (5,848 students), Ps 11 Purvis J Behan (923 students), and Benjamin Banneker Academy (854 students). See the New York City Geographic District #13 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.