St. Mary's High School (Phoenix, Arizona)
| Address | |
|---|---|
2525 North Third Street , , 85004 United States | |
| Coordinates | 33°28′31″N 112°4′8″W / 33.47528°N 112.06889°W |
| Information | |
| Type | Private, coeducational |
| Religious affiliation(s) | Roman Catholic |
| Established | 1917 |
| Oversight | Diocese of Phoenix |
| President | Father Robert Bolding (President/Rector) |
| Principal | Tanya Bartlett |
| Grades | 9–12 |
| Age | 14 to 18 |
| Enrollment | 490 (2020) |
| Average class size | 18-24 |
| Color(s) | Green and white |
| Slogan | "Once a Knight, Always a Knight" |
| Mascot | Knight |
| Team name | Knights |
| Accreditation | North Central Association of Colleges and Schools |
| Publication | Knightline |
| Endowment | $1,000,000+ |
| Tuition | Full $16,000/year; participating Catholic $12,500/year for 2020-2021 |
| Website | www.smknights.org |
St. Mary's Catholic High School is a private, Roman Catholic high school in Phoenix, Arizona, United States. It is located in the Roman Catholic Diocese of Phoenix.