Enrollment
2,209
New York · 2024-25 NCES data
High school (grades 9-12) · Brooklyn, NY
Federal NCES profile for John Dewey High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
The verdict
John Dewey High School earns 21/100 on the Resource Investment Index, with class sizes larger than 81% of New York schools. It is also one of the largest schools in New York.
John Dewey High School has class sizes larger than 81% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, John Dewey High School ranks #103 of 121 high schools in Brooklyn, NY.
NCES ID 360015204312 Verify on NCES CCD record →
Enrollment
2,209
New York · 2024-25 NCES data
Teachers (FTE)
157.0
Federal CCD staff survey
Students per teacher
14.1:1
vs 11.8:1 New York avg
+19% vs state
Free-lunch eligible
81.1%
vs 56.2% New York avg
+44% vs state
How John Dewey High School compares with New York and U.S. medians
Slightly above state median
14.1:1 - 2.3 above the New York state median of 11.8:1, indicating larger average class loads than typical schools in the state.
John Dewey High School is a high-poverty, large high school in Brooklyn, New York, enrolling 2,209 students.
Class loads run somewhat heavier than typical: 14.1:1 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 81.1% of students eligible for free meals.
By headcount it is one of the larger campuses in New York, bigger than 99% of state schools at 2,209 students.
Its Resource Investment Index trails 93% of the 4,801 New York schools with a score on record, one of the lower results on this measure.
Among 57 similarly sized, similarly resourced-need New York schools statewide, it ranks #49, in the lower tier once campus size and economic need are matched.
Its student body is led by Asian (29%) and Hispanic or Latino (27%), more mixed than most schools in the state (diversity index 76/100).
Chronic absenteeism is elevated: 41.2% 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 John Dewey High 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
John Dewey High 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 | 14.1:1 | ▲ 19% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 81.1% | ▲ 44% | 56.2% | 51.7% |
| Enrollment | 2,209 | top 1% | - | - |
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: Asian at 28.7% of enrollment.
Simpson diversity index - at 75.7, John Dewey High School is more mixed than the New York school average of 45.5.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Edward R Murrow High School | Larger | Lower economic need | Similar S:T ratio |
| Abraham Lincoln High School | Similar size | Similar economic need | Higher S:T ratio |
| Is 228 David a Boody | Smaller | Lower economic need | Similar S:T ratio |
| Is 98 Bay Academy | Smaller | Lower economic need | Higher S:T ratio |
| Mark Twain is 239 for the Gifted and Talented | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to John Dewey High School'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 John Dewey High School'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.
John Dewey High School has 2,209 students enrolled. It is a high school in Brooklyn, NY.
The student-teacher ratio at John Dewey High School is 14.1:1, which is 19% higher than the New York average of 11.8:1 and 10% lower than the national average of 15.7:1.
81.1% of students at John Dewey High School are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at John Dewey High School is Asian at 28.7% of enrollment, in Brooklyn, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 75.7/100.
John Dewey High School has a Resource Investment Index of 21/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, John Dewey High School ranks #103 of 121 high 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 high schools in Brooklyn on the city page.
John Dewey High School earns 21/100 on the Resource Investment Index, with class sizes larger than 81% of New York schools. It is also one of the largest 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.
Besides John Dewey High 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 Is 228 David a Boody (1,555 students). See the New York City Geographic District #21 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, “John Dewey High School, Brooklyn 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/john-dewey-high-school-ny
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