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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

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 metrics
Student Progress5.8Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-1.94 pts/yr
Data Period2019–2021
TrendDeclining
Academics8.4Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency79%
Reading/ELA Proficiency82%
Math vs. State Avg+25.5 pts
Reading vs. State Avg+21.1 pts
Overall Proficiency81%
Expected (poverty-adj.)73%
vs. Expected+7.4 pts
Adjusted Percentile75th
College ReadinessNot Available

Data not available for this school

Resources & Environment2.9Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15.2:1

PS 321 William Penn — Students at PS 321 William Penn score 80% proficient, which is above what's typical for similar communities (expected: 73%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

6.6%

Students qualifying for federal meal assistance

Test Scores NY NYSED (2020-21)

Math Proficiency 80.4%
School
State
48.1%
ELA Proficiency 83.4%
School
State
57.0%

Based on 10 test records from NY state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
87%
ELA
83%
2021*
Math
78.8%
ELA
83.5%

* 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.

Overall Score
6.0/10
41th percentile in NY
Academic
8.4/10
8.4/10
Growth
5.8/10
Above average
Environment
2.9/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
7%
Teaching Staff
15:1 student-teacher ratio
81 teachers

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
97 Walker's Paradise
Transit Score
100 Rider’s Paradise
Bike Score
91 Biker’s Paradise

Powered by Walk Score

FBI UCR. County-level only.

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
Data Year
2023–2024

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 methodology

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