Average
#2816 of 4,739 schools in NY
PS 321 William Penn
Elementary School · NEW YORK CITY GEOGRAPHIC DISTRICT #15
180 7TH AVE, Brooklyn, NY 11215
Enrollment
1,234
Student-Teacher
15.2:1
Score
6.0
Grades
Kindergarten – 5th
Enrollment
1,234
Student-Teacher
15.2:1
Score
6.0
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Brooklyn
#363 of 570
public schools
New York elementary schools
#1,562 of 2,549
In district
#43 of 49
NEW YORK CITY GEOGRAPHIC DISTRICT #15
Academic performance
8.4 / 10
Very strong
About PS 321 William Penn
PS 321 William Penn stands as one of Brooklyn's top-performing elementary schools, serving 1,234 students from kindergarten through fifth grade. With a student-teacher ratio of 15.2:1 supported by 81 full-time equivalent teachers, the school delivers impressive academic results that place it in the 89th percentile statewide, ranking #516 out of 4,758 New York elementary schools. The school's academic excellence shines through in standardized testing, where 84% of students achieve proficiency or above in English Language Arts and Reading, while 79% reach proficiency in Mathematics.
These strong outcomes contribute to the school's 9.4 out of 10 academic score and overall 7.9 MySchoolScout rating. PS 321 serves families in the affluent Park Slope neighborhood, where the median household income reaches $173,899 and home values average nearly $1.6 million. The community's commitment to education is evident, with 80% of residents holding bachelor's degrees or higher, while maintaining a low poverty rate of just 5.9% among the ZIP code's 72,014 residents.
Located at 180 7th Avenue, PS 321 William Penn operates within Brooklyn's vibrant urban landscape, offering families access to both exceptional public education and the rich cultural opportunities of New York City's most desirable neighborhoods.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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PS 321 William Penn — Students at PS 321 William Penn score 80% proficient, which is above what's typical for similar communities (expected: 73%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
6.6%
Students qualifying for federal meal assistance
Test Scores NY NYSED (2020-21)
Based on 10 test records from NY state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.8/10.
How PS 321 William Penn Compares
See how PS 321 William Penn performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 87% (2019) to 79% (2021). Reading/ELA proficiency has remained stable from 83% (2019) to 82% (2021).
Location
180 7TH AVE, Brooklyn, NY 11215
Nearby Alternatives
Families considering PS 321 William Penn may also want to explore other elementary schools in the area. MAURICE SENDAK COMMUNITY SCHOOL (THE) (rated 9.2/10, 0.5 miles away), which scores notably higher. Another option is PS 282 PARK SLOPE (rated 8.5/10, 0.3 miles away), which scores notably higher. Additionally, PS 39 HENRY BRISTOW (rated 7.7/10, 0.3 miles away), which scores notably higher. For more schools in Brooklyn, see our Brooklyn schools guide .
Nearby Schools
20 within 0.8 mi| School | Distance | Rating |
|---|---|---|
| JOHN JAY SCHOOL FOR LAW Brooklyn | 0.2 mi | 7.1 |
| PARK SLOPE COLLEGIATE Brooklyn | 0.2 mi | 7.8 |
| CYBERARTS STUDIO ACADEMY Brooklyn | 0.2 mi | 6.2 |
| MILLENNIUM BROOKLYN HIGH SCHOOL Brooklyn | 0.2 mi | 8.2 |
| ST SAVIOUR HIGH SCHOOL Brooklyn | 0.3 mi | 7.3 |
| PS 282 PARK SLOPE Brooklyn | 0.3 mi | 8.5 |
| PS 39 HENRY BRISTOW Brooklyn | 0.3 mi | 7.7 |
| MS 51 WILLIAM ALEXANDER Brooklyn | 0.3 mi | 6.0 |
| MS 266 PARK PLACE COMMUNITY MIDDLE SCHOOL Brooklyn | 0.5 mi | 8.3 |
| PS 77 Brooklyn | 0.5 mi | 7.1 |
| PS 372 CHILDREN'S SCHOOL (THE) Brooklyn | 0.5 mi | 7.5 |
| PS 133 WILLIAM A BUTLER Brooklyn | 0.6 mi | 6.2 |
| PS 107 JOHN W KIMBALL Brooklyn | 0.6 mi | 7.5 |
| MAURICE SENDAK COMMUNITY SCHOOL (THE) Brooklyn | 0.5 mi | 9.2 |
| IS 340 Brooklyn | 0.5 mi | 7.8 |
| AL-MADINAH SCHOOL Brooklyn | 0.6 mi | 6.0 |
| LURIA ACADEMY OF BROOKLYN Brooklyn | 0.7 mi | 7.1 |
| BROOKLYN HIGH SCHOOL OF THE ARTS Brooklyn | 0.8 mi | 6.9 |
| MATH AND SCIENCE EXPLORATORY SCHOOL (THE) Brooklyn | 0.8 mi | 7.4 |
| ST JOSEPH THE WORKER CATHOLIC ACADEMY Brooklyn | 0.8 mi | 7.7 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 11215 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$180,773
Median Home Value
$1,674,700
Median Rent
$2,803/mo
Population
70,922
College Educated
80.2%
Homeownership
40.9%
Avg Commute
38.5 min
Poverty Rate
6%
Median Age
37.4
Community Profile
The community surrounding PS 321 William Penn has a median household income of $180,773. It is a well-educated community where 80% of adults hold a bachelor's degree or higher. The median home value in the area is $1,674,700, with a median rent of $2,803/month. The local poverty rate of 6.0% is relatively low. The average commute in the area is 39 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| CANANDAIGUA PRIMARY-ELEMENTARY SCHOOL Canandaigua, NY | 6.0 |
| MIDLAKES ELEMENTARY SCHOOL Clifton Springs, NY | 6.0 |
| PS 49 DOROTHY BONAWIT KOLE Middle Village, NY | 6.0 |
| PS 70 Long Island City, NY | 6.0 |
| QUEENSBURY ELEMENTARY SCHOOL Queensbury, NY | 6.0 |
| MARLBORO ELEMENTARY SCHOOL Marlboro, NY | 6.1 |
Frequently Asked Questions
Common questions about PS 321 William Penn
What grades does PS 321 William Penn serve?
PS 321 William Penn serves students in grades Kindergarten through 5th.
How many students attend PS 321 William Penn?
PS 321 William Penn has an enrollment of approximately 1,234 students.
What is the student-teacher ratio at PS 321 William Penn?
The student-teacher ratio at PS 321 William Penn is 15.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does PS 321 William Penn rank in NY?
PS 321 William Penn is ranked #2816 out of 4,739 schools in NY.
What is PS 321 William Penn's MySchoolScout rating?
PS 321 William Penn has a composite rating of 6.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at PS 321 William Penn?
Based on the most recent state assessment data, PS 321 William Penn has 80.4% math proficiency and 83.4% reading/ELA proficiency.
Is PS 321 William Penn a charter school?
No, PS 321 William Penn is not a charter school. It is a traditional public school operated by the local school district.
Is PS 321 William Penn a Title I school?
No, PS 321 William Penn is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for PS 321 William Penn?
6.6% of students at PS 321 William Penn qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 1,234
- Student-Teacher Ratio
- 15.2:1
- Teachers (FTE)
- 81
- Free/Reduced Lunch
- 6.6%
- Type
- regular
- Setting
- Large City
- County
- Kings County
- Phone
- (718) 499-2412
- Data Year
- 2023–2024
Resources & Links
District
NEW YORK CITY GEOGRAPHIC DISTRICT #15- District Enrollment
- 26,808
- Schools in District
- 49
- District Rank
- #43 of 49
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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- Best Schools in New York, NY — 2026 Rankingsbest schools
- Best States for Public Schools in 2026: A Complete Rankingdata insights
- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Student-Teacher Ratio by State: Complete 2026 Rankingsdata insights
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