Nelson Mandela High School vs Ps 21 Crispus Attucks
A head-to-head comparison of two schools in New York, United States, 450 m apart, using official American 2025 data. The better value in each row is highlighted.
Nelson Mandela High School
Brooklyn · Public high · Grades 9–12
138 students
Ps 21 Crispus Attucks
Brooklyn · Public elementary · Grades PK–5
430 students
| Measure | Nelson Mandela High School Brooklyn, New York | Ps 21 Crispus Attucks Brooklyn, New York |
|---|---|---|
| Success Index (US) | 69 Top 25% | 57 Top 50% |
| State rank | #743 of 1,079 | #1123 of 2,536 |
| National rank | #3656 of 16,910 | #20082 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades PK–5 |
| Students | 138 | 430 |
| Enrollment | 138 | 430 |
| Free/reduced-price lunch | 93.5% | 79.8% |
| Students per teacher | 5.5 | 13.4 |
| Reading proficiency | 84.5% | 57% |
| Math proficiency | 84.5% | 59% |
| city | Brooklyn | Brooklyn |
| state | New York | New York |
| Website | – | – |
The verdict
- •Nelson Mandela High School scores higher on the Success Index (US) (68.6 vs 57.3).
- •Nelson Mandela High School does better on math proficiency (84.5% vs 59%).
- •Nelson Mandela High School does better on reading proficiency (84.5% vs 57%).
- •Ps 21 Crispus Attucks does better on community advantage (fewer free/reduced-price lunch) (79.8% vs 93.5%).
- •Nelson Mandela High School does better on students per teacher (5.5 vs 13.4).
- •Ps 21 Crispus Attucks is the larger school with 430 students compared with 138.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Nelson Mandela High School better than Ps 21 Crispus Attucks?
On the Success Index (US), Nelson Mandela High School ranks higher (68.6 vs 57.3 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Nelson Mandela High School and Ps 21 Crispus Attucks?
About 450 m in a straight line, between Brooklyn and Brooklyn in New York.
Which has the better Enrollment?
Nelson Mandela High School: 138. Ps 21 Crispus Attucks: 430. Students enrolled in the latest NCES directory year.
How do Nelson Mandela High School and Ps 21 Crispus Attucks rank in New York?
Nelson Mandela High School is 743rd of 1,079 and Ps 21 Crispus Attucks is 1123rd of 2,536 among high schools in New York on the 2025 Success Index (US).