Prior to that period, the high school was housed in the current Black Hawk Middle School/Daniel Boone Building.

Warrenton High School officially had 1006 students enrolled for the 2008-2009 academic year, according to the Missouri Department of Elementary and Secondary Education,.

This confusion is still present, as MSHSAA officially calls all sports teams "Warren County."

[citation needed] Warrenton High School's colors are red and white.

[citation needed] The school offers Softball, Cheerleading, Cross Country, Football, Soccer, Volleyball, Basketball, Wrestling, Dance Team, Baseball, Golf, and Track and Field for athletics,[6] and Marching and Concert bands as well as Color Guard, Choir, Speech and Debate, Math Team, Rotary Interact, Drama Productions which are a fall musical and spring play, and many other various clubs, including FFA, DECA, IMAGINE Higher Education (student-led college preparatory club), FCCLA, Photography Club, International Club, Peer Helpers, FBLA and FCA.