[5] Gilmer High School offers Honors and Advanced Placement courses as well as traditional classes.

Basketball, soccer, track and field, cross country running, tennis, golf, and baseball/softball have separate men's and women's leagues.

The academics-based clubs are Beta, Math Honor Society, Applied Physics: Rube Goldberg Machine, and the Academic Team.

Gilmer High also offers chess club, Robotics club, Gilmer Anime and Manga Enthusiasts, Future Business Leaders of America, Fellowship of Christian Athletes, Family Career and Community Leaders of America, Future Educators Association, journalism, Skills USA, Yearbook, Interact, Ultimate Frisbee, and Future Farmers of America.

The graduation ceremony takes place in early June on the GHS football field [11] Gilmer High School received a threatening letter that mentioned anthrax and contained a white powdery substance on the morning of March 3, 2010.

The Cherokee County HAZMAT crew was sent to Gilmer High School to handle the substance.