| Ajo High School | |
| Schooltype: | Public high school |
| Grades: | 9-12 |
| Principal: | Lance Chebultz |
| Address: | 111 N. Well Road |
| City: | Ajo |
| State: | Arizona |
| Zipcode: | 85321 |
| Country: | USA |
| District: | Ajo Unified School District |
| Enrollment: | 135 (2022–2023)[1] |
| Mascot: | Red Raider |
| Teaching Staff: | 3.50 (FTE) |
| Ratio: | 38.57 |
| Colors: | Red and white |
Ajo High School is a high school in Ajo, Arizona. It is the only high school in the Ajo Unified School District, which also includes an elementary school and middle school on the same campus. It is a member of the CAA.