| Lodi High School | |
| Motto: | "Knowledge is Power" |
| Established: | September 8, 1896 |
| Grades: | 9–12 |
| Principal: | Jesus Marron |
| Principal1: | Sera Baysinger |
| Principal Label1: | Vice Principal |
| Address: | 3 South Pacific Avenue |
| Zipcode: | 95242 |
| Students: | 2,147 (2019–20)[1] |
| Faculty: | 101.18 (FTE) |
| Ratio: | 21.32 |
| Athletics: | football, basketball, soccer, water polo, swimming and diving, track and field, cheer, drill, cross country, tennis, golf, volleyball, wrestling, badminton, baseball, softball, band |
| School Colors: | Red & White |
| Team Name: | Flames |
| Free Label: | Address |
Lodi High School, serving grades 9–12, is one of four comprehensive high schools in Lodi Unified School District. The physical plant encompasses three gymnasiums, 59 permanent classrooms, one cafeteria, 30 portables, four computer labs, one theater complex, a college and career center, one administration center, one counseling center, and one metal, one wood and one automotive technology shop. While the present site was built in 1956, Lodi High School began classes on September 8, 1896, and celebrated its centennial birthday during the 1996–97 school year. At the present time, Lodi High School is on a modified traditional calendar.
The school first opened on September 8, 1896.