[8] These included a new cafeteria, a new 42,000 square foot competition gym, improved traffic flow, a new administration center, 23 new classrooms, a new front façade, and a new courtyard in front of East Hall featuring walkways to connect the several separate buildings on campus.

The new additions include administrative offices, nine new classrooms, a large dining hall, a competition style gym, and the South Forsyth Plaza.

[10] On September 7, 1990, Randy Floyd Addis entered the school with a rifle, a shotgun and a semi-automatic pistol.

[11][12] U.S. Representative Marjorie Taylor Greene referenced this incident in a 2021 speech on the House floor in support of gun rights.

[17][18][19] South Forsyth High School offers a fairly wide selection of Advanced Placement (AP), and International Baccalaureate (IB) accredited classes.

[21] South Forsyth also offers other study alternatives, including Work Based Learning and Dual Enrollment.

Through the Move On When Ready program, some students take all their classes at a college (typically UNG) and never come to South Forsyth's campus, save for the occasional counselor visit.

South Forsyth offers a multitude of student clubs and organizations in addition to athletics.

FBLA allows students to gain leadership skills by participating in chapter events (fundraisers, membership drives, community service), working on chapter teams (website management, promotion), becoming a chapter/region/state level officer, and competing in business and computer science events.

They have been awarded the title of superior at various marching band competitions, as well as the titles of Grand Champion and recipient of the Randall Coleman Award for Musical Excellence for their show Dies Irae at the White Columns Invitational in Milton, GA, as well as scoring highly at Music For All Affiliate Shows.

The student body was 45.6% White, 40.0% Asian, 7.2% Hispanic, 2.7% Black, 3.8% Multiracial, 0.4% Native American, and 0.1% Pacific Islander.