| Okolona High School | |
| District: | Okolona Municipal Separate School District |
| Motto: | "One team, one goal. All students will be successful." |
| Coordinates: | 34.0128°N -88.7533°W |
| Schooltype: | Public |
| Grades: | 5th–12th |
| Enrollment: | 322 (2017–18)[1] |
| Staff: | 25.30 (FTE) |
| Ratio: | 12.73 |
| Streetaddress: | 404 Winter Street |
| City: | Okolona |
| County: | Chickasaw County |
| State: | MS |
| Zipcode: | 38860 |
| Country: | United States |
| Superintendent: | Dexter Green[2] |
| Principal: | Michael Watkins[3] |
| Feeders: | Okolona Elementary School |
| Mascot: | Chieftains |
| Colors: | Maroon and white |
| Rival: | Houston, Shannon |
Okolona High School is a public high school located in Okolona, Mississippi, United States. It serves grades 5–12. It is part of the Okolona Municipal Separate School District. The school nickname is "The Chieftains". They used to boast athletic teams in track, tennis, baseball, softball, but now only boast football and basketball. They have a vocational-technical school, JMG, art classes, and a drama club. Okolona High School also provides students with free after-school tutoring in English, Reading, Science, Math, SATP History, SATP English II, and SATP Algebra I and Algebra 2