| Hart High School | |
|---|---|
| Address | |
 | |
24825 Newhall Avenue , 91321 United States | |
| Coordinates | 34°23′04″N 118°32′16″W / 34.3845°N 118.5378°W |
| Information | |
| Type | Public high school |
| Motto | Alive with Pride |
| Established | 1945 |
| School district | William S. Hart Union High School District |
| Principal | Jason d'Autremont |
| Grades | 9–12 |
| Enrollment | 2,146 (2021–22)[1] |
| Color(s) | Red Black White |
| Athletics conference | CIF Southern Section Foothill League |
| Nickname | Hawks |
| Newspaper | The Smoke Signal |
| Yearbook | The Tomahawk |
| Website | www |
William S. Hart High School is a four-year public high school in the neighborhood of Newhall in the city of Santa Clarita, California, United States. Founded in 1945, it is the oldest high school in the Santa Clarita Valley. Named for local cowboy actor William S. Hart, it is part of the William S. Hart Union High School District.