PS 20 The Clinton Hill School (13K020) is a public school in District 13, Fort Greene, Brooklyn, serving grades pre-K, K–5. In 2026, 71% of tested students were proficient in reading and 71% were proficient in math (NYC DOE). Enrollment was 696 students in 2025–26 (NYC DOE). The average K–5 class size was 21.4 students in 2025–26 (NYC DOE).
Visit school websiteThe one thing to remember
2026 reading proficiency is 71%, higher than most NYC elementary schools and about typical for those with similar economic need; down 6 points from 2025.
Also worth knowing: In 2026, students in special education scored 28% in reading (40 tested), compared with 71% schoolwide.
Students here gain about as much as at other schools serving similar students
Impact score: 0.53 · 56th 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
71%
students scored at Level 3 or 4
245 students tested
40 students tested
205 students tested
Mathematics
71%
students scored at Level 3 or 4
245 students tested
40 students tested
205 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 | 54% | 65% |
| 2019 | 56% | 62% |
| 2022 | 59% | 54% |
| 2023 | 75% | 61% |
| 2024 | 72% | 63% |
| 2025 | 77% | 69% |
| 2026 | 71% | 71% |
Proficiency means scoring at Level 3 or above. Test scores are one measure of a school, not the whole experience.
Economic need index: 35%0.5 mi away
Economic need index: 38%
Economic need index: 37%0.9 mi away
Economic need index: 42%0.7 mi away
Economic need index: 94%0.7 mi away
Economic need index: 75%0.2 mi away
Economic need index: >95%0.4 mi away
Economic need index: 84%0.9 mi away
Economic need index: 35%0.5 mi away
Economic need index: 38%
Economic need index: 37%0.9 mi away
Economic need index: 42%0.7 mi away
Economic need index: >95%0.4 mi away
Economic need index: 75%0.2 mi away
Economic need index: 94%0.7 mi away
Economic need index: 84%0.9 mi away
| Measure | P.S. 20 The Clinton Hill School | P.S. 046 Edward C. Blum |
|---|---|---|
| 2026 reading proficient | 71% (-6 points vs 2025) | 26% (-3 points vs 2025) |
| 2026 math proficient | 71% (+2 points vs 2025) | 45% (+8 points vs 2025) |
| Average K–5 class size (2025–26) | 21.4 | 14.4 |
| Enrollment (2025–26) | 696 | 234 |
| Student–teacher ratio (2025–26) | 14.5 | 8.2 |
| Family satisfaction (2026) | 91% | 93% |
| Principal trust (2026) | 89% | 92% |
| Teacher trust (2026) | 91% | 96% |
| Leadership (2026) | 95% | 95% |
| Distance between schools | 0.2 mi | |
P.S. 20 The Clinton Hill School has higher reading proficiency than P.S. 046 Edward C. Blum (71% vs 26%) and higher math proficiency (71% vs 45%).
Enrollment
696 students
pre-K, K–5 · up 168 over five years
NYC DOE · 2025–26
Class size
21.4
children in the average K–5 class; about 14.5 students per teacher (2025–26)
NYC DOE · 2025–26
English learners
2%
was 4% in 2024–25
NYC DOE · 2025–26
Economic need
33% of students live in poverty (2025–26)
Economic need index: 38% — the measure we use to compare similar schools.
NYC DOE · 2025–26
Special education
17%
of students here are in special education
NYC DOE · 2025–26
Student body: 39% White, 20% Hispanic, 5% Asian, 27% Black, 8% multiracial, 53% female, 46% male.
Economic need index: 38% — 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.
225 Adelphi St, Brooklyn, NY 11205, 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.