| Saint John High School | |
|---|---|
 | |
| Address | |
 | |
170-200 Prince William Street , , Canada | |
| Coordinates | 45°16′08″N 66°03′39″W / 45.2688°N 66.0609°W |
| Information | |
| School type | publicly funded high school |
| Motto | Vita Vitalis (A Life Worthwhile) |
| Founded | 1805 |
| School board | Anglophone South School District (ASD-S) |
| Superintendent | Zoë Watson |
| School number | 2043 |
| Principal | Christina Barrington |
| Grades | 9-12 |
| Enrollment | 921 (as of 2017) |
| Language | English, French |
| Campus | Built 1931, expanded 1964, 1986 |
| Area | Saint John, New Brunswick |
| Colour(s) | |
| Mascot | Greyhound |
| Team name | The Greyhounds |
| Website | www |
Saint John High School (SJHS) is a high school located in Saint John, New Brunswick, Canada. It was founded in 1805 and is the oldest publicly funded school in Canada.