| Westmont High School | |
| Streetaddress: | 4805 Westmont Avenue |
| Zipcode: | 95008 |
| Country: | USA |
| Coordinates: | 37.2714°N -121.9851°W |
| District: | Campbell Union High School District (CUHSD) |
| Superintendent: | Robert Bravo |
| Principal3: | Geordie Hamilton |
| Principal: | Jason Miller |
| Principal1: | Matt de Cesare |
| Principal2: | Jennifer Halas |
| Faculty: | 74.54 (2022-23)[1] |
| Hours In Day: | 7-8 hours |
| Motto: | It's a Great day to be a Warrior! |
| Team Name: | Warriors |
| Nickname: | Wally |
| Colors: | Red, white and black |
| Yearbook: | Ponaird |
| Newspaper: | The Shield |
| Established: | 1964 |
| Status: | Open |
| Enrollment: | 1,741 (2022–23)[2] |
Westmont High School is located in Campbell, California, United States and is part of the Campbell Union High School District. First opened in the fall of 1964, Westmont drew students initially from both Blackford and Campbell High Schools. The school retains many academic achievements including the 1996 California Distinguished School and 1997 National Blue Ribbon School.
The school is also home to the Campbell FFA Future Farmers of America
The school sits at the Northwest corner of the 1839 Alta California land grant, Rancho Rinconada de Los Gatos. San Tomas Aquino Creek wraps around the northern edge of the school and formed the land grant's boundary.
Notable alumni of Westmont High School include: