[3][4] The Kilgore Bulldogs compete in the following sports:[5] The football and soccer teams play their home games at R.E.

On December 18, 2004, the Kilgore High School "Ragin' Red" Bulldog football team completed a perfect season (16–0) after winning the Class 4A Division II state championship game, 33–27, in a double-overtime thriller against the Dallas Lincoln Tigers at Baylor University's Floyd Casey Stadium in Waco.

Nick Sanders blocked a potential go-ahead field goal attempt by Lincoln and returned it for the winning touchdown.

[citation needed] Retired teacher John Heffner is a Young Earth Creationist and many-time co-host to Carl Baugh television program Creation in the 21st Century[62] who taught pre-calculus at Kilgore[63] and chaired the school's math department.

[64] He rose to notoriety as some popular skeptics have criticized his understanding of mathematical application to the real world as lacking, flawed, and overly cavalier,[65][66][67] in particular his use of the Malthusian growth model, which he uses to teach creationism to his audience.