| Map Key | School Name | School District | City | Majority Race/Ethnicity | ||
|---|---|---|---|---|---|---|
| Atholton High School | Howard County Public Schools | Columbia | White: 35% | |||
| Centennial High School | Howard County Public Schools | Ellicott City | Asian: 42% | |||
| Glenelg High School | Howard County Public Schools | Glenelg | White: 70% | |||
| Hammond High School | Howard County Public Schools | Columbia | Black: 40% | |||
| Howard High School | Howard County Public Schools | Ellicott City | White: 45% | |||
| Long Reach High School | Howard County Public Schools | Columbia | Black: 34% | |||
| Marriotts Ridge High School | Howard County Public Schools | Marriottsville | White: 42% | |||
| Mount Hebron High School | Howard County Public Schools | Ellicott City | White: 40% | |||
| Oakland Mills High School | Howard County Public Schools | Columbia | Black: 44% | |||
| Reservoir High School | Howard County Public Schools | Fulton | Black: 35% | |||
| River Hill High School | Howard County Public Schools | Clarksville | White: 44% | |||
| Wilde Lake High School | Howard County Public Schools | Columbia | Black: 47% |