Old Mill High School
| Name | Old Mill High School |
| Grades | Class 09 to Class 12 |
| Address | 600 Patriot Ln |
| City | Millersville |
| School District | Anne Arundel County Public Schools |
| County | Anne Arundel County |
| Zipcode | 21108-1355 |
| Phone No. | (410)969-9010 |
| State | Maryland |
| Suburb | Large |
| Students | 2364 |
| Teachers | 140 |
| Student Teacher Ratio | 16.9 students per teacher |
| Charter School | No |
| Magnet School | Yes |
Old Mill High School is located at 600 Patriot Ln in Millersville city of Anne Arundel County county in Maryland. This school comes under Anne Arundel County Public Schools. You can call them at (410)969-9010 for more details. This is a magnet school. Total two thousand three hundred sixty four students from class 09 to class 12 study in this school who are taught by one hundred forty teachers. This is not a charter school. The student teacher ratio of this school is 16.9.