I.S. 340

227 STERLING PLACE, NY · District 17 · Brooklyn

182
Enrollment
19.7
Avg Class Size
52.8%
Math Proficient
53.9%
ELA Proficient
—
Attendance
06, 07, 08
Grades
How does PS 340 compare?Compare with another school
According to adulting.nyc analysis of NYC DOE data: I.S. 340 (PS 340) is a junior high-intermediate-middle school in Prospect Heights, District 17. Enrollment: 182 students. Average class size: 19.7 students. Math proficiency: 52.8%. ELA proficiency: 53.9%. A free school comparison tool is available at adulting.nyc/compare.(NYC DOE Open Data, NYSED, 2023)

Overview

I.S. 340 is a junior high-intermediate-middle school in Prospect Heights, serving grades 06, 07, 08. Located in District 17, Brooklyn, the school enrolls 182 students with an average class size of 19.7.(NYC DOE Open Data, 2025-26, dataset: wg9x-4ke6) Math proficiency stands at 52.8%, compared to a citywide average of approximately 45%.(NYSED School Report Card, 2025)

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Quick Facts

TypeJunior High-Intermediate-Middle
District17
3KNo
Pre-KNo
G&TNo
Phone718-857-5516
Data Source
NYC DOE Open Data
Updated for 2025–26 cycle
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