The "KCS" component of its call letters refers to "Knox County Schools," and the station's nickname of "Falcon Radio" is a reference to the public high school's mascot.

[4] In addition to music, the station features live broadcasts of the school's football and basketball games.

Full 24-hour operation began in February 2005, after a digital automation system was installed.

[5] In 2010, "Thrillin' Thursdays," a two-hour-long sports talk program aired weekly on WKCS, was named the best sports talk program in the Columbia College Chicago High School Radio Awards.

The station's "Fulton Football Pregame Show" is a finalist in the sports talk program category in the John Drury High School Radio Awards, to be announced in November 2010.