Enrollment
1,295
New York · 2024-25 NCES data
Middle school (grades 6-8) · Brooklyn, NY
Federal NCES profile for Mark Twain is 239 for the Gifted and Talented, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Mark Twain is 239 for the Gifted and Talented earns 38/100 on the Resource Investment Index, with class sizes larger than 95% of New York schools. It is also one of the largest schools in New York.
Mark Twain is 239 for the Gifted and Talented has class sizes larger than 95% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Mark Twain is 239 for the Gifted and Talented ranks #21 of 94 middle schools in Brooklyn, NY.
NCES ID 360015202754 Verify on NCES CCD record →
Enrollment
1,295
New York · 2024-25 NCES data
Teachers (FTE)
74.0
Federal CCD staff survey
Students per teacher
17.5:1
vs 11.8:1 New York avg
+48% vs state
Free-lunch eligible
40.5%
vs 56.2% New York avg
-28% vs state
How Mark Twain is 239 for the Gifted and Talented compares with New York and U.S. medians
Larger classes than state median
17.5:1 - 5.7 above the New York state median of 11.8:1, indicating larger average class loads than typical schools in the state.
Mark Twain is 239 for the Gifted and Talented is a large middle school in Brooklyn, New York, enrolling 1,295 students.
Class loads run heavy: 17.5:1 is larger than about 95% of New York schools and 48% above the 11.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 40.5% of students eligible for free meals.
By headcount it is one of the larger campuses in New York, bigger than 96% of state schools at 1,295 students.
Its Resource Investment Index sits near the middle of the pack among 4,801 scored New York schools.
Against 188 statewide peers matched on enrollment and economic need, it ranks mid-pack at #84.
Its student body is led by White (39%) and Asian (38%), more mixed than most schools in the state (diversity index 69/100).
Attendance runs somewhat below the norm, with 18.5% of students chronically absent per the 2021-22 civil-rights 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 Mark Twain is 239 for the Gifted and Talented.
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
Mark Twain is 239 for the Gifted and Talented 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 | 17.5:1 | ▲ 48% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 40.5% | ▼ 28% | 56.2% | 51.7% |
| Enrollment | 1,295 | top 4% | - | - |
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: White at 38.6% of enrollment.
Simpson diversity index - at 69.1, Mark Twain is 239 for the Gifted and Talented 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 | Higher economic need | Lower S:T ratio |
| Abraham Lincoln High School | Larger | Higher economic need | Similar S:T ratio |
| John Dewey High School | Larger | Higher economic need | Lower S:T ratio |
| Is 228 David a Boody | Similar size | Higher economic need | Lower S:T ratio |
| Is 98 Bay Academy | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to Mark Twain is 239 for the Gifted and Talented'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 Mark Twain is 239 for the Gifted and Talented'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.
Mark Twain is 239 for the Gifted and Talented has 1,295 students enrolled. It is a middle school in Brooklyn, NY.
The student-teacher ratio at Mark Twain is 239 for the Gifted and Talented is 17.5:1, which is 48% higher than the New York average of 11.8:1 and 11% higher than the national average of 15.7:1.
40.5% of students at Mark Twain is 239 for the Gifted and Talented are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at Mark Twain is 239 for the Gifted and Talented is White at 38.6% of enrollment, in Brooklyn, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.1/100.
Mark Twain is 239 for the Gifted and Talented has a Resource Investment Index of 38/100 (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, Mark Twain is 239 for the Gifted and Talented ranks #21 of 94 middle 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 middle schools in Brooklyn on the city page.
Mark Twain is 239 for the Gifted and Talented earns 38/100 on the Resource Investment Index, with class sizes larger than 95% 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 Mark Twain is 239 for the Gifted and Talented, 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.
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, “Mark Twain is 239 for the Gifted and Talented, 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/mark-twain-is-239-for-the-gifted-and-talented-ny
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