| Strom Thurmond High School | |
| Location: | 1131 Columbia Road |
| County: | Edgefield County |
| State: | South Carolina |
| Zipcode: | 29832 |
| Country: | United States |
| District: | Edgefield County School District |
| Ceeb: | 410700 |
| Principal: | Fran Altringer [1] |
| Ratio: | 17.42 [2] |
| Enrollment: | 711 (2020 - 21)[3] |
| Schooltype: | High School |
| Motto: | Invincible Spirit |
| Colors: | Red, white, and navy blue |
Strom Thurmond High School (STHS) is a four year high school located in Johnston, a town in Edgefield County, South Carolina, United States. It is named for Strom Thurmond, who served as Governor of South Carolina (1947–1951), and was an eight-term senator from South Carolina (1954–1956 and 1956–2003) and it is home of the rebels.