The school is a charter member of the Coastal Canyon League (CCL), a conference within the CIF Southern Section (CIF-SS) that was established in 2014.
[9]: 131 The ACHS softball team won three CIF-SS championships in 1991, 2011, and 2017; the first of these came against Buena High School.
[9]: 348 The school hosts the Camarillo Classic, a well known early season, two-day invitational track-and-field event, every March.
[15] Camarillo won its most recent title in 2015, beating Thousand Oaks High School 55–27 and finishing Southern Section play with a 14–0 record.
[16] That same year, the Scorpions won the CIF Southern California regional title in Division 2-AA and appeared in the state championship game.