Belvidere competes in the Northern Illinois Conference (NIC-10), and is a member of the
Illinois High School Association (IHSA). Teams are stylized as the Bucs (a shortening of
Buccaneers). BHS Sports: Football, Poms, Cheerleading, Basketball, Dance, Baseball, Tennis, Bowling, Track & Field, Soccer, Softball, Golf, Volleyball, Swimming, and Cross Country. The school won back–to–back state championships in
football in the autumns of 1993 and 1994. The Bucs branding is also carried over to Belvidere South Middle School. ==Notable alumni==