| St. Mary High School | |
|---|---|
| Location | |
628 W. Lafayette Ave. Royal Oak, Michigan United States | |
| Information | |
| Type | Private, Coed |
| Closed | 1985 |
| Grades | 9–12 |
| Color(s) | Blue and White |
| Athletics conference | Catholic High School League |
| Nickname | Irish |
| Rival | Waterford Our Lady of the Lakes |
St. Mary High School was a coeducational Catholic high school in Royal Oak, Michigan, United States. It closed in 1985. [1] [2]