West Prep Academy
150 WEST 105 STREET, NY · District 3 · Manhattan
How does PS 421 compare?Compare with another school
According to adulting.nyc analysis of NYC DOE data: West Prep Academy (PS 421) is a junior high-intermediate-middle school in Upper West Side, District 3. Enrollment: 153 students. Average class size: 14.5 students. Math proficiency: 30.6%. ELA proficiency: 53.4%. A free school comparison tool is available at adulting.nyc/compare.(NYC DOE Open Data, NYSED, 2023)
Overview
West Prep Academy is a junior high-intermediate-middle school in Upper West Side, serving grades 06, 07, 08. Located in District 3, Manhattan, the school enrolls 153 students with an average class size of 14.5.(NYC DOE Open Data, 2025-26, dataset: wg9x-4ke6) Math proficiency stands at 30.6%, compared to a citywide average of approximately 45%.(NYSED School Report Card, 2025)
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