| St. Mary High School | |
|---|---|
| Address | |
| 812 North State Avenue Dell Rapids, South Dakota, (Minnehaha County), 57022 United States |
|
| Information | |
| Religious affiliation(s) | Roman Catholic |
| Superintendent | Father Gregory Tschakert |
| Principal | Kelly Neill |
| Grades | 9–12 |
| Color(s) | Red and White |
| Fight song | On Wisconsin |
| Athletics conference | Dakota Valley Conference |
| Team name | Cardinals |
| Athletic Director | Tim DeJong |
| Website | http://www.stmarycatholicschools.org |
St. Mary High School is a private, Roman Catholic high school in Dell Rapids, South Dakota. It is located in the Roman Catholic Diocese of Sioux Falls. School colors for St. Mary High School are Red and White. The school's mascot is the Cardinal.