P.S. 257 John F. Hylan
60 COOK STREET, NY · District 14 · Brooklyn
3KPre-K
How does PS 257 compare?Compare with another school
According to adulting.nyc analysis of NYC DOE data: P.S. 257 John F. Hylan (PS 257) is a elementary school in East Williamsburg, District 14. Average class size: 15.2 students. Math proficiency: 42.3%. ELA proficiency: 47.3%. 3K program available. Pre-K program available. A free school comparison tool is available at adulting.nyc/compare.(NYC DOE Open Data, NYSED, 2023)
Overview
P.S. 257 John F. Hylan is a elementary school in East Williamsburg, serving grades PK, 0K, 01, 02, 03, 04, 05. Located in District 14, Brooklyn, the school enrolls — students with an average class size of 15.2.(NYC DOE Open Data, 2025-26, dataset: wg9x-4ke6) Math proficiency stands at 42.3%, compared to a citywide average of approximately 45%.(NYSED School Report Card, 2025)
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