[5] Olathe South is a member of the Kansas State High School Activities Association and offers a variety of sports programs.

Extracurricular activities are also offered in the form of performing arts, school publications, and clubs.

In June 2009, construction began on remodeling the school in order to accommodate ninth graders for the first time.

Adjacent to the Olathe South building on the west side of the campus is Indian Trail Middle School.

The eastern side of the campus is the track, practice football, marching band, and soccer fields.