[8][9][10] Construction began in June 2019 on a $14.6 million renovation project to build a new track and two lighted artificial turf sports fields, which were completed by January 2021.

The project also included a new entry structure adjacent to the pool with a school sign and LED board, finished by March 2021.

In February 2009, when a production of the musical Rent was cancelled, the theater teacher alleged it was due to the principal objecting to the play's depiction of homosexuality.

[17] The following month, after a video surfaced of male students threatening to rape and kill a female peer, the American Civil Liberties Union sued the school for inadequately responding to, allowing, and even condoning an atmosphere of sexist and homophobic violence.

[18][19] A settlement was reached in September, when the District agreed to create and enforce anti-harassment policies and train both students and staff.

[21][22] Writers for the Los Angeles Times cited a former Corona del Mar High School disciplinarian in their argument that the "draft" was the result of a problematic sense of entitlement among Newport Beach residents.

[3] It earned a gold medal from U.S. News & World Report in 2014, with a national ranking of 222 (37 in California).

[43] Corona del Mar competes in the Sunset Conference of the CIF Southern Section, having moved from the Pacific Coast League following[44] the 2017–2018 season.

[citation needed] In 2010 the boys' soccer team won the SoCal State Championship and finished ranked second in the nation.

[citation needed] In 2011 the boys' volleyball team won the Powerade Fab 50 ESPN Rise National championship trophy.