It sits at the base of the San Gabriel Mountains, below the Angeles National Forest, in the City of La Cañada Flintridge.

The school is adjacent to the Interstate 210 Freeway north of Pasadena's Rose Bowl and south of NASA's Jet Propulsion Laboratory.

The U.S. Department of Education has recognized LCHS for “high achievement and exemplary programs”, for rich extracurricular activities, and for strong community support.

With an enrollment of 1,389 pupils in grades 9 through 12, La Cañada High has also consistently received the maximum six years of accreditation by the Western Association of Schools and Colleges.

[6] In 2009, La Cañada High achieved a new school record of 20 students admitted as National Merit Scholarship semifinalists.