The most prominent year was in 2007, where the Templar's 2005–06 edition yearbook, themed "It All Adds Up", received one of only six Columbia Scholastic Press Association "Gold Crown" awards in the nation.

In 2009, at the East Los Angeles Journalism Education Association (ELAJEA) Write-Offs competition in Alhambra, the Templar also took home Grand Sweepstakes for accumulating the most points over a series of criteria that include Copywriting, Layout, and Pictures.

[citation needed] Temple City High School competes interscholastically as a member of the Rio Hondo League in boys' and girls' baseball, basketball, cross country, golf, marching band, soccer, swimming, tennis, track and field, volleyball, water polo, boys' football, Auxiliaries, cheer, pep flags, song, Choreo Dance Team, and Fusion Competitive Dance Team.

In 1973, the football team set the California Interscholastic Federation (CIF) Southern Section record for most consecutive wins, with 46.

Auxiliaries, cheer, pep flags, Song, Choreo, and Fusion have competed at various competition circuits including United Spirit Association and Sharp International.

At Sharp International regionals, they have placed top three as well as overall first and sweepstakes in the categories of cheer, flags, song, lyrical, jazz, hip hop, and senior dance.

Athletes who went on to play professionally from Temple City High School include Kent Kramer, Steve Busick, Jimmy Conrad, Bryan Jordan, Ryan Tucker, and Lee “Rocky” Biddle.

Their nationally recognized "co-ed" show choir team is named the Brighter Side Singers and they perform at Disney's California Adventures every Christmas season.