| District | Baltimore County Public Schools |
| State | MD |
| Type | Regular School |
| Level | High |
| Grades | 09 – 12 |
| Status | Open |
| Address |
255 E Padonia Road Timonium, MD 21093 |
| Phone | (443)809-7633 |
| Website | http://dulaneyhs.bcps.org |
| Group | Students | % |
|---|---|---|
| White | 790 | 41.8% |
| Hispanic/Latino | 400 | 21.2% |
| Black or African American | 388 | 20.5% |
| Asian | 231 | 12.2% |
| Two or more races | 75 | 4.0% |
| American Indian or Alaska Native | 3 | 0.2% |
| Native Hawaiian or Other Pacific Islander | 2 | 0.1% |