In 2007, San Clemente High School was ranked number 471 by Newsweek magazine.

[3] In 2013, the Orange Count Sheriff's Department settled with the Loggins family regarding a wrongful death lawsuit.

In 2006 the San Clemente Varsity cheer squad brought home a national championship, beating out 22 other teams.

San Clemente Wrestling is the only team in Orange County that has had one or more CIF Place Winner every year since 1982.

The baseball team has more players playing at the next level (college) than any other sport in the school.

In 2010–2011 season, the San Clemente Boys' Soccer Team won both the CIF & State Championships.

In 2011, the San Clemente football team had a 12–2 overall record, ranking 5th in California, and 19th in the nation.

The Triton fine arts department includes: Triton Marching Alliance, Jazz Band, color guard, drumline, dance team, Women's Ensemble, Men's Ensemble, Bel Canto, A Capella, Madrigals, String Orchestra, Chamber Orchestra, Advanced Band, Symphony Orchestra, and Wind Ensemble.

[citation needed] The choirs have performed in various venues ranging from New York's Carnegie Hall to the University of Hawaii.

[citation needed] The string and band department has played in venues across Europe and in New York and Hawaii.

The drama department, which consists of hundreds of students as well as the parent booster club, was recognized with a Macy Award for the play Curtains.