| District Name | Whittier Union High School District |
| State | California |
| County | Los Angeles County |
| Statistical Area | Los Angeles-Long Beach-Anaheim, CA |
| Total Students (2021) | 11201 |
| District Growth Rate (2017-21) | -7.0% |
| Majority Race/Ethnicty | Hispanic (89.3%) |
| Free/Reduced Lunch Program | 66.89% |