De La Salle High School is a private Roman Catholic school for boys in Concord, California. Located in the Roman Catholic Diocese of Oakland, the school was founded in 1965 as a Lasallian institution. De La Salle currently enrolls 1,039 students, and roughly 99% of each graduating class goes on to attend a university or college. It is home to the Spartans, and its colors are green and silver. The school motto is "Les Hommes De Foi", or "Men Of Faith." The school's principal is Brother Robert Wickman. The deans are Mr. Joe Aliotti, and Mr. Bob Guelld. Mr.