Teams from Thornridge are nicknamed the "Falcons". The school colors are Columbia blue, grey, and navy blue. The school's teams compete as a member of the South Inter-Conference Association or SICA. These teams also compete in state championship series sponsored by the Illinois High School Association (IHSA).
The following athletic teams placed in the top four of their respective class in their respective sports in IHSA sponsored state championship series.[7]
cross country (boys): 3rd place (1978–79, 1979–80)
cross country (girls): 3rd place (1983–84)
swimming & diving (boys): 4th place (1966–67, 1967–68, 1968–69); 3rd place (1969–70)
track & field (boys): 3rd place (1979–80)
Activities
Thornridge has had an extensive history of success in the performing arts and competitive public speaking. The following teams have placed in the top four of their respective state championship competitions sponsored by the IHSA.[7]
Debate: State Champions (1975–76); 2nd place (1972–73, 1977–78)
Drama: State Champions (1971–72, 1989–90, 2003–04, 2004–05, 2007–08); 2nd place (1969–70, 1973–74, 1975–76, 1981–82, 1984–85, 1988–89, 2005–06); 3rd place (1976–77, 1978–79, 1982–83); 4th place (2001–02)
Group Interpretation: State Champions (1974–75, 1993–94, 2002–03); 2nd place (1980–81, 1997–98, 2000–01, 2003–04); 4th place (1996–97, 1999–2000)
Individual Events: State Champions (1967–68, 1968–69, 1969–70, 1970–71); 3rd place (1984–85, 1993–94); 4th place (1964–65, 1980–81, 1982–83, 1989–90)
Speech (sweepstakes): State Champions (1967–68, 1969–70); 2nd place (1970–71, 1971–72), 4th place (1968–69)