J.H.S. 259 William McKinley (20K259) is a public school in District 20, Dyker Heights, Brooklyn, serving grades 6–8. In 2026, 69% of tested students were proficient in reading and 83% were proficient in math (NYC DOE). Enrollment was 1802 students in 2025–26 (NYC DOE).
Visit school websiteThe one thing to remember
2026 math proficiency is 83%, higher than most NYC middle schools, including those with similar economic need; math is up 8 points since 2023, while citywide math rose 6 points.
Also worth knowing: In 2026, students in special education scored 34% in reading (215 tested), compared with 69% schoolwide.
96%
of parents trust the principal
95%
trust their child's teachers
93%
satisfied with the education overall
NYC School Survey 2026. 52% of families answered.
Students here gain more than at most schools serving similar students
Impact score: 0.56 · 81st percentile
The DOE compares results with those of students with similar starting points and backgrounds.
View this school's official NYC DOE School Quality SnapshotReading
69%
students scored at Level 3 or 4
1684 students tested
215 students tested
1469 students tested
Mathematics
83%
students scored at Level 3 or 4
1722 students tested
213 students tested
1509 students tested
Excludes charter schools. Weighted by students tested.
New York changed its grades 3–8 tests in 2023. Compare years from 2023 onward with each other, not with earlier years.
Citywide reading scores fell sharply in 2026; NYC Public Schools is reviewing the results. Source: NYC Public Schools
| Year | Reading | Math |
|---|---|---|
| 2018 | 66% | 70% |
| 2019 | 69% | 73% |
| 2022 | 76% | 68% |
| 2023 | 72% | 75% |
| 2024 | 70% | 79% |
| 2025 | 71% | 82% |
| 2026 | 69% | 83% |
Proficiency means scoring at Level 3 or above. Test scores are one measure of a school, not the whole experience.
Economic need index: 65%0.6 mi away
Economic need index: 64%0.5 mi away
Economic need index: 75%
Economic need index: 57%1.1 mi away
Economic need index: 63%0.6 mi away
Economic need index: 61%0.9 mi away
Economic need index: 72%1.2 mi away
Economic need index: 83%1.0 mi away
Economic need index: 82%0.7 mi away
Economic need index: 75%
Economic need index: 64%0.5 mi away
Economic need index: 57%1.1 mi away
Economic need index: 63%0.6 mi away
Economic need index: 72%1.2 mi away
Economic need index: 61%0.9 mi away
Economic need index: 83%1.0 mi away
Economic need index: 82%0.7 mi away
| Measure | J.H.S. 259 William McKinley | The Madeleine Brennan School |
|---|---|---|
| 2026 reading proficient | 69% (-2 points vs 2025) | 72% (-7 points vs 2025) |
| 2026 math proficient | 83% (+1 points vs 2025) | 83% (-1 points vs 2025) |
| Enrollment (2025–26) | 1802 | 1482 |
| Student–teacher ratio (2025–26) | 14.0 | 14.2 |
| Family satisfaction (2026) | 93% | 96% |
| Principal trust (2026) | 96% | 97% |
| Teacher trust (2026) | 95% | 97% |
| Leadership (2026) | 96% | 97% |
| Distance between schools | 0.5 mi | |
J.H.S. 259 William McKinley has lower family satisfaction (2026) than The Madeleine Brennan School (93% vs 96%).
Enrollment
1802 students
6–8 · up 40 over five years
NYC DOE · 2025–26
Students per teacher
14.0
students per teacher
NYC DOE · 2025–26
English learners
15%
was 15% in 2024–25
NYC DOE · 2025–26
Economic need
80% of students live in poverty (2025–26)
Economic need index: 75% — the measure we use to compare similar schools.
NYC DOE · 2025–26
Special education
13%
of students here are in special education
NYC DOE · 2025–26
Student body: 21% White, 20% Hispanic, 55% Asian, 1% Black, 2% multiracial, 47% female, 53% male.
Economic need index: 75% — the measure we use to compare similar schools. It combines measures of students’ economic circumstances; it is not a measure of school quality.
NYC DOE · 2026 survey
NYC DOE · 2024–25
Admissions for NYC public schools go through MySchools. Check the attendance zone shown above; zones can change and do not guarantee a seat.
7305 Fort Hamilton Pkwy, Brooklyn, NY 11228, USA
Source: NYC DOE / NYSED, 2026 · School information · View this school's official NYC DOE School Quality Snapshot
Admissions for NYC public schools go through MySchools.