- Enrollment
- 469
- Students per teacher
- 12.3:1
- Resource Index
- 25/100
High school (grades 9-12) · Brooklyn, NY
Nelson Mandela High School
Federal NCES profile for Nelson Mandela High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 69/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 360009406509
👥 S:T ratio 69
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Nelson Mandela High School earns 69/100 on the Resource Investment Index, with class sizes smaller than 92% of New York schools. It is also one of the smallest schools in New York.
- #6 of 121
- high schools in Brooklyn · Resource Index
- 69
- Resource Index · Higher
- 7.7:1
- small classes for New York
- 88.0%
- free-lunch eligible
Nelson Mandela High School has class sizes smaller than 92% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Nelson Mandela High School ranks #6 of 121 high schools in Brooklyn, NY.
School address
District: New York City Geographic District #16 · New York
NCES ID 360009406509 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+11 students YoY
Nelson Mandela High School grew from 133 students in 2022-23 to 144 in 2023-24 (+8.3%).
Teacher FTE added 18.4 → 18.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+11 students YoY 360009406509 · Brooklyn, NY High · SMALL · TRAD
138 enr · 7.7:1 · 88.0% lunch · RII 69
Nearest enrollment peer: Brooklyn High School for Law and Technology (469 students)
Nelson Mandela High School grew from 133 students in 2022-23 to 144 in 2023-24 (+8.3%). Teacher FTE added 18.4 → 18.8 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Nelson Mandela High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Brooklyn High
Brooklyn High School for Law and Technology
469 students
- Ps 40 George W
Ps 40 George W Carver
465 students
- Ps 21 Crispus
Ps 21 Crispus Attucks
430 students
- Boys and Girls
Boys and Girls High School
353 students
- Brooklyn Brown
Brooklyn Brownstone School
352 students
- This school 138
Nelson Mandela High School
138 students
What this shows Nelson Mandela High School reports 138 students on the CCD universe file.
How Nelson Mandela High School compares
Nelson Mandela High School is a growing campus on CCD: ratios and free-lunch share vs New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 7.7:1 | ▼ 35% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 88.0% | ▲ 57% | 56.2% | 51.7% |
| Enrollment | 138 | top 96% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
7.7:1
Leaner classes than 96% of US schools, among the more generously staffed nationally.
138
Bigger than 13% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
88.0%
free-lunch eligible
- 57% above the New York average of 56.2%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
7.7:1
students per teacher
- 35% below state mean
Top 8% in New York - lower ratio than 92% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Student demographics
African American 81.9%
Hispanic or Latino 14.5%
American Indian / Alaska Native 1.4%
Two or More 1.4%
Asian 0.7%
Largest group: African American at 81.9% of enrollment.
Student-body diversity index 30.8/100
Simpson diversity index - at 30.8, Nelson Mandela High School is less mixed than the New York school average of 45.5.
How Nelson Mandela High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Brooklyn High School for Law and Technology | Larger | Similar economic need | Higher S:T ratio |
| Ps 40 George W Carver | Larger | Similar economic need | Higher S:T ratio |
| Ps 21 Crispus Attucks | Larger | Lower economic need | Higher S:T ratio |
| Boys and Girls High School | Larger | Similar economic need | Similar S:T ratio |
| Brooklyn Brownstone School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Nelson Mandela High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 465
- Students per teacher
- 11.6:1
- Resource Index
- 27/100
- Enrollment
- 430
- Students per teacher
- 13.9:1
- Resource Index
- 22/100
- Enrollment
- 353
- Students per teacher
- 7.5:1
- Resource Index
- 35/100
- Enrollment
- 352
- Students per teacher
- 17.6:1
- Resource Index
- 23/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~138 students)
Frequently asked questions about Nelson Mandela High School
How many students attend Nelson Mandela High School?
Nelson Mandela High School has 138 students enrolled. It is a high school in Brooklyn, NY. CCD year-over-year: 133 (2022-23) → 144 (2023-24), up 11.
What is the student-teacher ratio at Nelson Mandela High School?
The student-teacher ratio at Nelson Mandela High School is 7.7:1, which is 35% lower than the New York average of 11.8:1 and 51% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Nelson Mandela High School?
88.0% of students at Nelson Mandela High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Nelson Mandela High School?
The largest demographic group at Nelson Mandela High School is African American at 81.9% of enrollment, in Brooklyn, NY.
What is the Resource Investment Index for Nelson Mandela High School?
Nelson Mandela High School has a Resource Investment Index of 69/100 (higher reported resources relative to schools nationally) based on 1 factor: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Nelson Mandela High School rank among high schools in Brooklyn?
By Resource Investment Index, Nelson Mandela High School ranks #6 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.
What other schools are in New York City Geographic District #16?
Besides Nelson Mandela High School, New York City Geographic District #16 also operates Brooklyn High School for Law and Technology (469 students), Ps 40 George W Carver (465 students), and Ps 21 Crispus Attucks (430 students). See the New York City Geographic District #16 district page for the complete list.