| Placer Union High School District | |
| Type: | Public |
| City: | Auburn |
| Grades: | 9–12 |
| Students: | 4,071 (2020–2021) |
| Teachers: | 165.72 (FTE) |
| Staff: | 180.63 (FTE) |
| Ratio: | 24.57:1 |
| Address: | 13000 New Airport Road |
Placer Union High School District is a public school district based in Placer County, California, United States.
The district serves the following cities and unincorporated communities: