P.S. 308 Clara Cardwell (16K308) is a public school in District 16, Stuyvesant Heights, Brooklyn, serving grades pre-K, K–8. In 2026, 20% of tested students were proficient in reading and 18% were proficient in math (NYC DOE). Enrollment was 180 students in 2025–26 (NYC DOE). The average K–5 class size was 16.3 students in 2025–26 (NYC DOE).
Visit school websiteThe one thing to remember
2026 math proficiency is 18%, lower than most NYC elementary schools, including those with similar economic need — 34% of students here are in special education; general education students scored 25% in math (2026).
Also worth knowing: Average class size (2025–26) is 16.3, smaller than most elementary schools in the district and citywide.
Students here gain less than at most schools serving similar students
Impact score: 0.25 · 2nd 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
20%
students scored at Level 3 or 4
94 students tested
35 students tested
59 students tested
Mathematics
18%
students scored at Level 3 or 4
94 students tested
35 students tested
59 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 | 20% | 9% |
| 2019 | 19% | 15% |
| 2022 | 32% | 9% |
| 2023 | 25% | 15% |
| 2024 | 25% | 21% |
| 2025 | 30% | 16% |
| 2026 | 20% | 18% |
Proficiency means scoring at Level 3 or above. Test scores are one measure of a school, not the whole experience.
Economic need index: 50%0.5 mi away
Economic need index: 86%0.5 mi away
Economic need index: 77%0.5 mi away
Economic need index: 89%0.2 mi away
Economic need index: 81%0.3 mi away
Economic need index: 94%0.3 mi away
Economic need index: 93%0.3 mi away
Economic need index: >95%0.3 mi away
Economic need index: 94%
Economic need index: 50%0.5 mi away
Economic need index: 77%0.5 mi away
Economic need index: 86%0.5 mi away
Economic need index: 89%0.2 mi away
Economic need index: 81%0.3 mi away
Economic need index: 94%0.3 mi away
Economic need index: 93%0.3 mi away
Economic need index: >95%0.3 mi away
Economic need index: 94%
| Measure | P.S. 308 Clara Cardwell | M.S. 267 Math, Science & Technology |
|---|---|---|
| 2026 reading proficient | 20% (-9 points vs 2025) | 64% (-7 points vs 2025) |
| 2026 math proficient | 18% (+2 points vs 2025) | 56% (-30 points vs 2025) |
| Enrollment (2025–26) | 180 | 148 |
| Student–teacher ratio (2025–26) | 8.0 | 13.2 |
| Family satisfaction (2026) | 84% | 89% |
| Principal trust (2026) | 96% | 96% |
| Teacher trust (2026) | 93% | 99% |
| Leadership (2026) | 95% | 93% |
| Distance between schools | 0.2 mi | |
P.S. 308 Clara Cardwell has lower reading proficiency than M.S. 267 Math, Science & Technology (20% vs 64%) and lower math proficiency (18% vs 56%); 2026 reading is lower than most NYC middle schools with similar economic need; 2026 math is lower than most NYC middle schools with similar economic need.
Enrollment
180 students
pre-K, K–8 · down 52 over five years
NYC DOE · 2025–26
Class size
16.3
children in the average K–5 class; about 8.0 students per teacher (2025–26)
NYC DOE · 2025–26
English learners
7%
was 7% in 2024–25
NYC DOE · 2025–26
Economic need
91% of students live in poverty (2025–26)
Economic need index: 94% — the measure we use to compare similar schools.
NYC DOE · 2025–26
Special education
34%
of students here are in special education
NYC DOE · 2025–26
Student body: 3% White, 19% Hispanic, 2% Asian, 75% Black, 1% multiracial, 45% female, 55% male.
Economic need index: 94% — 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.
616 QUINCY STREET
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.