School Overview
PS 321 William Penn, located in the Park Slope neighborhood of Brooklyn, is widely recognized as one of the most sought-after and high-performing public elementary schools in New York City. Serving students from Pre-K through 5th grade, the school has built a reputation for academic excellence, a rigorous curriculum, and a strong emphasis on fostering a love of reading and writing. Its longevity and consistent success have made it a cornerstone of the local community, attracting families who value its comprehensive approach to child development.

Beyond academics, PS 321 is known for its highly active and involved parent community, which provides substantial financial and volunteer support for arts, music, and enrichment programs. The school prides itself on a collaborative culture where teachers, administrators, and parents work together to support a diverse student body. While it is a large school by city standards, it is frequently praised for its ability to maintain a nurturing environment that prioritizes social-emotional learning alongside traditional classroom achievement.
1,216
Total Students
80.0
Full-Time Teachers
15.2
Student/Teacher Ratio
6.3%
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for PS 321 WILLIAM PENN
Demographic Student Count
White810
Hispanic106
Black31
Asian112
Two or More148
American Indian9
  • White
    810 (66.6 %)
  • Two or More
    148 (12.2 %)
  • Asian
    112 (9.2 %)
  • Hispanic
    106 (8.7 %)
  • Black
    31 (2.5 %)
  • American Indian
    9 (0.7 %)
School Location
School Details
Status: Open
School Level: Elementary School
School Type: Regular School
Charter Status:* Public Non-Charter
Virtual Instruction: No virtual instruction
Shared Time Status: No
District: NEW YORK CITY GEOGRAPHIC DISTRICT #15
Phone: (718)499-2412
Website: http://www.ps321.org
Grade Range: K - 5th
Total Students: 1,216
Full-Time Teachers (FTE): 80.0
Pupil/Teacher Ratio: 15.2
NSLP Participation:1 Yes under Community Eligibility Option (CEO)
Qualified Free Lunch: 70
Qualified Reduced Lunch: 7
Grades Taught
Kindergarten 232
Grade 1 212
Grade 2 198
Grade 3 202
Grade 4 191
Grade 5 181

Grades Taught Data Table

Grades Taught and Student Counts for PS 321 WILLIAM PENN
Grade Student Count
Kindergarten232
Grade 1212
Grade 2198
Grade 3202
Grade 4191
Grade 5181
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for PS 321 WILLIAM PENN
Gender Student Count Percentage
Female61850.8%
Male59849.2%
Nearby Elementary Schools (Within 10 Miles)