| Harker Heights High School | |
| Mascot: | Knights |
| Streetaddress: | 1001 FM 2410 |
| City: | Harker Heights |
| State: | Texas |
| Zipcode: | 76548-6845 |
| County: | Bell County |
| Country: | United States |
| Type: | Public |
| Schooltype: | high school |
| District: | Killeen ISD |
| Locale: | Suburb: Midsize |
| Grades: | 912 |
| Principal: | Jorge Soldevila |
| Enrollment: | 2,359 |
| Enrollment As Of: | 20222023 |
| Faculty: | 133.38 |
| Ratio: | 17.69 |
| Colors: | Red, Black, White |
| Conference: | UIL Class 6A |
Harker Heights High School is a public high school located in Harker Heights, Texas and classified as a 6A school by the University Interscholastic League. It is one of six high schools in Killeen Independent School District located in western Bell County. During 20222023, Harker Heights High School had an enrollment of 2,359 students and a student to teacher ratio of 17.69. The school received an overall rating of "B" from the Texas Education Agency for the 20212022 school year.[1]
The Harker Heights Knights compete in the following sports:[2]