The Urban Assembly Unison School

170 GATES AVENUE, NY · District 13 · Brooklyn

199
Enrollment
18.1
Avg Class Size
22.1%
Math Proficient
37%
ELA Proficient
—
Attendance
06, 07, 08
Grades
How does PS 351 compare?Compare with another school
According to adulting.nyc analysis of NYC DOE data: The Urban Assembly Unison School (PS 351) is a junior high-intermediate-middle school in Clinton Hill, District 13. Enrollment: 199 students. Average class size: 18.1 students. Math proficiency: 22.1%. ELA proficiency: 37%. A free school comparison tool is available at adulting.nyc/compare.(NYC DOE Open Data, NYSED, 2023)

Overview

The Urban Assembly Unison School is a junior high-intermediate-middle school in Clinton Hill, serving grades 06, 07, 08. Located in District 13, Brooklyn, the school enrolls 199 students with an average class size of 18.1.(NYC DOE Open Data, 2025-26, dataset: wg9x-4ke6) Math proficiency stands at 22.1%, compared to a citywide average of approximately 45%.(NYSED School Report Card, 2025)

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Quick Facts

TypeJunior High-Intermediate-Middle
District13
3KNo
Pre-KNo
G&TNo
Phone718-399-1061
Data Source
NYC DOE Open Data
Updated for 2025–26 cycle
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