Bel Air High
Public · Grades 9–12 · 1,341 students
Patterson Mill High School
85 Patterson Mill Rd, Bel Air, MD 21015
Grades
9–12
High
Students
839
Enrolled 2024–25
Students per teacher
17 : 1
Full-time teachers
District
Harford County Public Schools
Harford County
Schola Grade A · Excellent
Letter grade (A–F) · compared with 204 Maryland high schools · How we grade
Percentiles compare this school with other Maryland high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About Patterson Mill High School
Patterson Mill High School is a public high school in Bel Air, Maryland, serving grades 9–12. It is part of Harford County Public Schools. The school is located in a midsize suburb in Harford County.
In the 2024–25 school year, 839 students were enrolled, with about 17 students for every full-time teacher. That ratio is larger than the typical Maryland high school (15.5 students per teacher). Its Schola Grade is A (excellent), compared with 204 Maryland high schools.
Grades & enrollment
Students per grade, 2024–25Grades 9–12
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 839 students
- Students per teacher
- 17 to 1
- AP courses offered
- 15
- Charter school
- No
- Magnet school
- No
- Virtual learning
- Offers virtual courses
- Locale
- Suburb — Midsize
- School district
- Harford County Public Schools
- County
- Harford County
- NCES school ID
- 240039001638
Schools near Patterson Mill High School
All 23 schools in Bel Air →
John Carroll School
Private · Grades 9–12 · 734 students
C. Milton Wright High
Public · Grades 9–12 · 1,291 students
Harford Technical High
Magnet · Grades 9–12 · 954 students
Fallston High
Public · Grades 9–12 · 1,036 students
Edgewood High
Public · Grades 9–12 · 1,440 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.