It serves grades 7-12 and is part of the Marshall County School District.

It is named for Nathan Bedford Forrest, who was a Confederate general known for his outstanding military leadership in the cavalry.

Forrest has gone through several building additions since it was established.

The latest was in 2007 which included additional classrooms, a band room, and a football stadium.

Forrest High School competes in TSSAA's Division 1, Class A.