KCHS
- Charleston Air Force Base
- Charleston International Airport
- John F. Kennedy Catholic High School (Somers, New York)
- Joint-use airport
- KCHS (AM)
- Kalamazoo Central High School
- Kearney Catholic High School
- King City High School
- Kirtland Central High School
- Knoxville Catholic High School
- Order of the Holy Sepulchre (Catholic)