| Jefferson High School | |
| Streetaddress: | 720 Rockfellow Drive |
| City: | Mount Shasta |
| County: | Siskiyou County |
| State: | California |
| Zipcode: | 96067 |
| Country: | USA |
| Coordinates: | 41.3201°N -122.3032°W |
| Type: | Continuation |
| District: | Siskiyou Union High School District |
| Principal: | Ed Stokes |
| Superintendent: | Michael Wharton Jr. |
| Grades: | 9-12 |
| Students: | 23 (2016-17)[1] |
| Mascot: | Panther |
| Colors: | Red and black |
| Newspaper: | Mount Shasta Herald |
Jefferson High School is a continuation high school located in Mt. Shasta, California. It is a member of the Siskiyou Union High School District.