Ps 321 William Penn
Brooklyn, NY · Elementary School
Ps 321 William Penn is a elementary school in Brooklyn, NY with 1,216 students enrolled and a 74% proficiency rate. Part of New York City Geographic District #15. NCES data from the U.S. Department of Education.
About This School
Ps 321 William Penn is a elementary school located in Brooklyn, New York. The school serves 1,216 students. The student-to-teacher ratio is 15.2:1.
According to EDFacts assessment data, 74% of students meet grade-level proficiency standards in combined math and reading.
6% of students qualify for free or reduced-price lunch.
Ps 321 William Penn is part of the New York City Geographic District #15 in New York.
How This School Compares
Ps 321 William Penn has 1,216 students enrolled, making it larger than the average school in New York City Geographic District #15 (545 students). Its 74% proficiency rate is 28 percentage points above the district average of 45%. Compared to the New York state average of 47%, the school performs 27 points higher.
Other Schools in New York City Geographic District #15
Frequently Asked Questions
Ps 321 William Penn has 1,216 students enrolled. The student-to-teacher ratio is 15.2:1.
According to EDFacts data, 74% of students at Ps 321 William Penn meet grade-level proficiency standards in combined math and reading assessments.
Ps 321 William Penn is part of the New York City Geographic District #15 in Brooklyn, New York. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
this entity is one of the data points covered by this site’s U.S. K-12 school outcomes and enrollment dataset. The detail above comes directly from NCES Common Core of Data and EDFacts; the context that follows situates the headline numbers against the broader distribution across U.S. public schools and districts.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.