| Don Antonio Lugo High School | |
| Established: | 1972 |
| Type: | Public high school |
| District: | Chino Valley Unified School District |
| Grades: | 9–12 |
| Principal: | Oliver Wong |
| Mascot: | Conquistadores |
| Athletics Conference: | CIF Southern Section Mt. Baldy League |
| Ratio: | 20.01 |
| Teaching Staff: | 75.26 (FTE) |
| Address: | 13400 Pipeline Avenue |
| Location: | Chino, California 91710 |
| Country: | US |
| Coordinates: | 34.0092°N -117.7167°W |
| Enrollment: | 1,506 (2022-23)[1] |
Don Antonio Lugo High School is one of the four high schools of the Chino Valley Unified School District located in Chino, California, United States. The mascot is the Conquistador. Don Lugo High School was founded in 1972, and during that year the school only accepted freshmen. Each following year another freshman class was added until the school had all four classes for the first time in 1980.[2]