| San Diego High School | |
| Motto: | “Vaqueros Dream Big, Work Hard, and Live Right!” |
| Address: | 600 West Labbe Street |
| City: | San Diego |
| State: | Texas |
| Zipcode: | 78384-3499 |
| Country: | United States |
| Type: | Public |
| Schooltype: | High School |
| District: | San Diego Independent School District |
| Grades: | 9-12 |
| Superintendent: | Rodrigo H. Pena |
| President: | Libby Vela |
| Principal: | Jesse Riojas |
| Staff: | 33.22 (FTE)[1] |
| Ratio: | 11.65 |
| Enrollment: | 385 (2018-19) |
| Colors: | Cobalt Blue & Cream |
| Athletics: | Baseball, Basketball, Cross Country, Football, Golf, Powerlifting, Soccer, Softball, Tennis, Track and Field, Volleyball |
| Athletics Conference: | UIL Class AAA |
| Mascot: | Vaquero |
| Yearbook: | El Rodeo |
San Diego High School is a public high school located in San Diego, Texas, United States. It is part of the San Diego Independent School District located in east central Duval County. In 2015, the school was rated "Met Standard" by the Texas Education Agency.[2]
In addition to San Diego, the school district, of which San Diego HS is its sole comprehensive high school, serves the western part of Loma Linda East.[3] (Springfield Unincorporated Area). (Gonzalitoz Unincorporated Area). (Toro Ranch Road Unincorporated Area). (La Rosita Unincorporated Area).