Old Mill High School

Old Mill High School is a public high school in Millersville, Maryland, serving students in grades 9 through 12. It was occupied in 1975 and is administered by Anne Arundel County Public Schools (AACPS). The school was built to alleviate overcrowding at Arundel and Severna Park High Schools. The school has no walls or ceilings in some classrooms, only partitions to separate classrooms. Along with Annapolis High School and Meade Senior High School, Old Mill Senior High is one of the three IB World Schools in Anne Arundel County. The school building also houses the high school's two feeder schools, Old Mill Middle School North and Old Mill Middle School South. The school mascot is the patriot. Students The Old Mill feeder system/cluster is the most geographically expansive cluster in the Anne Arundel County Public Schools district. The feeder covers areas as far south as Crownsville and Annapolis and as far north as Glen Burnie and Severn. The Old Mill feeder system also covers portions of the Millersville, Gambrills, and Odenton as well. As such, Old Mill High School is one of the most racially and socio-economically diverse high schools in Anne Arundel County—the second most diverse public high school in Anne Arundel County, according to Niche. As of the 2019-2020 school year, the racial composition of the 2,281 Old Mill High School students was 39.1% white, 36% Black or African American, 13.6% Hispanic, 4.6% Asian, and 6.1% two or more races. Further, 34.6% of students qualified for free and reduced price meals, and approximately 3% of students are English Language Learners. The Old Mill cluster is bordered by the Meade cluster to the northwest, the Arundel and Crofton clusters to the midwest, the South River and Annapolis clusters to the southwest, the Severna Park cluster to the south, the Glen Burnie and North County clusters to the north, and the Glen Burnie and Chesapeake clusters to the east. Thus, Old Mill High School's attendance boundaries share a border with all but three of the 12 other high schools in the Anne Arundel County Public Schools district. Academics Old Mill High School is a public magnet school. It has 2,364 students in grades 9-12 with a student-teacher ratio of 16 to 1. According to state test scores, 92% of students are at least proficient in math and 91% in reading.