Its school colors are royal blue and silver, and their logo and mascot is the Trojan helmet.

[5] Southwest has partnered with NWTC to provide a number of Technical classes at the High School.

[7] Southwest's athletic teams are known as the Fighting Trojans, and compete in the Fox River Classic Conference.

[9] Carl Sunby Gymnasium, named after a former athletic director,[10] has a capacity of 2000[11] and is often used as a neutral site for WIAA basketball playoff sectionals.

Southwest High School was the site of a visit by former U.S. president Barack Obama on June 11, 2009, who led a town hall meeting about health care reform.