In 2008 a visual arts student at Beckman High, won first place in Orange County in the Imagination Celebration Poster Contest.

[4] In 2008, the school hosted televised performances by Miley Cyrus and Metro Station as part of MTV's New Year's Eve special; the network had awarded a visit by Cyrus to a Beckman student, who was honored for her charitable contributions to breast cancer awareness via the school's "Pink Ribbon Club".

[8] Beckman's athletics program include teams in football, water polo, swimming, basketball, volleyball, baseball, softball, soccer, lacrosse, tennis, wrestling, cross country, track and field, golf, dance, and cheer.

In 2009, the baseball team won first place in the Pacific Coast League and went to the CIF–SS Finals at Angel Stadium of Anaheim.

In 2011, the baseball team won the CIF–SS Championship, defeating Woodbridge High School 4-1 at Dodger Stadium.

Beckman's 2010 varsity football team earned their way into the CIF-SS Championships, but lost 30–31 due to a last-minute comeback by the Garden Grove Argonauts.

In the 2011 football season, Beckman's varsity team made it to the CIF-Southern Section Finals, and lost to Corona del Mar 13–14.

In 2018-2019, Girls Water Polo won their first Pacific Coast League Championship and went on to appear in round one of the CIF-SS Division 3 tournament.

For the Beckman boy’s Water Polo 2017-2018 Season, head coach Duje Grubisič was brought on.

[11] On February 28, 2023, the school was subject to controversy when it was discovered that video cameras were found in a student bathroom.