Sinagua High School
| Sinagua High School | |
|---|---|
| Information | |
| Established | 1989 |
| Closed | 2010 |
| Enrollment | c.960-1,070 |
| Color(s) | Royal blue and gray |
| Mascot | Mustangs |
Sinagua High School was the third public district high school in Flagstaff, Arizona. A part of the Flagstaff Unified School District, it opened in 1989 and was closed in 2010. Three other schools were also closed at the same time. The school's colors were royal blue and gray. The mascot was the Mustangs.