[3] On December 2, 2019, a school shooting took place in which a student armed with a pellet gun was wounded by a police officer.

In addition to the police presence on Friday, there was also a staggered evacuation at Waukesha West High School due to an online threat to students during the lunch period.

Waukesha South's novice debate team placed seventh at state in 2010 and one of its members, Sam Foat, won Top Negative Speaker.

They have helped out with many charity events throughout the community including Apple Harvest Festival, Waukesha Artful Bowls, Minooka Mash, and Salvation Army bell ringing.

As the school year progresses Waukesha South Key Club plans on having many more volunteer projects ahead.

Waukesha South also has a Mock Trial team, which advanced to the State competition in 2019 as the runner-up in their region.

In their virtual 2021 season, they had gone undefeated and advanced to the National Mock Trial Championship, where they placed 13th in the country.

The full Waukesha South Orchestra and indie rock band played a total of eight original I'm Not A Pilot songs written by band members Mark Glatzel, Adrian Esguerra, Peter Thomas, and Steve Vorass Jr. with orchestral scores arranged by Jim Gray.