Mount Saint Joseph High School
| Mount Saint Joseph High School | |
|---|---|
| Location | |
4403 Frederick Avenue , Maryland 21229 United States | |
| Coordinates | 39°16′50″N 76°41′17″W / 39.28056°N 76.68806°W |
| Information | |
| Type | Parochial |
| Motto | "Deo Optimo Maximo" (To God, the best and greatest) |
| Religious affiliation | Catholic |
| Denomination | Roman Catholic, Xaverian Brothers |
| Patron saint | Saint Joseph |
| Established | 1876 |
| Founder | Brother Bernadine |
| Authority | Archdiocese of Baltimore |
| President | Brendan T. Donohue |
| Principal | Robert Peace |
| Chaplain | Fr. John Bilenki |
| Grades | 9–12 |
| Enrollment | 822 (2024-2025) |
| Average class size | 20 |
| Student to teacher ratio | 11:1 |
| Campus size | medium |
| Campus type | Urban |
| Colors | Purple and Cream |
| Slogan | Belong. Believe. Become. |
| Athletics | 17 sports |
| Athletics conference | Maryland Interscholastic Athletic Association (MIAA); Baltimore Catholic League (basketball only) |
| Mascot | Gael |
| Nickname | The Gaels |
| Accreditation | Middle States Association of Colleges and Schools |
| Publication | The Carpenter (Art/Literary magazine) |
| Newspaper | The Quill |
| Yearbook | Tower |
| Endowment | $30 Million |
| Tuition | $20,495 |
| Athletic Director | Kraig Loovis |
| Website | msjnet |
Mount Saint Joseph High School (commonly MSJ or Mount Saint Joe) is a Catholic college preparatory school and secondary school / high school for young men from ninth to twelfth grade sponsored by the Xaverian Brothers and founded in 1876. It is located within the Archdiocese of Baltimore, Maryland.