| Jayhawk-Linn High School | |
| Streetaddress: | 14675 KS Hwy 52[1] |
| City: | Mound City |
| State: | Kansas |
| Zipcode: | 66056 |
| Country: | United States |
| Coordinates: | 38.1332°N -94.8285°W |
| Schooltype: | High school |
| Fundingtype: | Public |
| Schoolboard: | School Board |
| District: | USD 346[2] |
| Ceeb: | 172095[3] |
| Us Nces School Id: | 200775000696 |
| Enrollment: | 259 (2022–2023)[4] |
| Colors: | Red and Gold |
| Conference: | Three Rivers League |
| Mascot: | Jayhawk |
| Ratio: | 10.84 |
| Teaching Staff: | 23.90 (FTE) |
| Principal: | Jim Dillon |
| Grades: | 7 - 12 |
| Gender: | coed |
Jayhawk-Linn High School is a public secondary school in Mound City, Kansas, United States, operated by Unified School District 346. It serves students of grades 7 to 12. The school's sports teams are the Jayhawks and they compete as class 2A in the Three Rivers League.