St. Mary's High School (St. Louis)
| St. Mary's South Side High School | |
|---|---|
| Location | |
4701 South Grand Boulevard , 63111 United States | |
| Coordinates | 38°34′30″N 90°15′3″W / 38.57500°N 90.25083°W |
| Information | |
| Type | Private, all-boys |
| Religious affiliations | Catholic, Marianists Archdiocese of St. Louis |
| President | Mike England |
| Principal | Valerie Todd |
| Grades | 9–12 |
| Colors | Green and White |
| Athletics conference | Archdiocese Athletic Association |
| Team name | Dragons |
| Accreditation | North Central Association of Colleges and Schools |
| Tuition | $10,200 |
| Alumni | 11,000+ |
| Website | www |
St. Mary's High School is a Catholic, archdiocesan, all-boys high school rooted in the Marianist tradition in St. Louis, Missouri. It has a comprehensive college prep curriculum and offers an honors program along with college credit courses. It is situated on a 27-acre campus in the Dutchtown neighborhood.