Since starting a renovation in 2010, the school has built a new science wing, has implemented new technology in every classroom, has installed turf, and is currently working towards rebuilding its three gyms.

Parkway South High School opened in 1976, the bicentennial of the United States Declaration of Independence.

For this reason, the school mascot is the Patriot and the colors are red, white, and blue.

[3] In addition to its current activities, Parkway South students have won several state championships, including: Parkway South also has had one individual girls' cross country state champion, three individual boys' track and field state champions, two individual girls' track and field state champions, three relay girls' track and field state champions, and three individual wrestling state champions.

[4] Activities include the "Spirit of '76" Marching Band, performing arts, clubs, and school publications.