Patterson Mill Middle School
Bel Air, MD · Middle School · Grades 6-8
Patterson Mill Middle School is a middle school in Bel Air, MD with 760 students enrolled and a 61% proficiency rate. Part of Harford County Public Schools. NCES data from the U.S. Department of Education.
Get Patterson Mill Middle School's new scores when they post
We'll email you the moment Patterson Mill Middle School changes. No spam — only real updates.
About This School
Patterson Mill Middle School is a middle school located in Bel Air, Maryland. The school serves 760 students in grades 6-8. The student-to-teacher ratio is 15.5:1.
According to EDFacts assessment data, 61% of students meet grade-level proficiency standards in combined math and reading.
20% of students qualify for free or reduced-price lunch.
Patterson Mill Middle School is part of the Harford County Public Schools in Maryland.
How This School Compares
Patterson Mill Middle School has 760 students enrolled, making it larger than the average school in Harford County Public Schools (692 students). Its 61% proficiency rate is 8 percentage points above the district average of 53%. Compared to the Maryland state average of 49%, the school performs 12 points higher.
Other Schools in Harford County Public Schools
Frequently Asked Questions
Patterson Mill Middle School has 760 students enrolled in grades 6-8. The student-to-teacher ratio is 15.5:1.
According to EDFacts data, 61% of students at Patterson Mill Middle School meet grade-level proficiency standards in combined math and reading assessments.
Patterson Mill Middle School is part of the Harford County Public Schools in Bel Air, Maryland. 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.
For this entity, the underlying data on this page comes from NCES Common Core of Data and EDFacts. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
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.