La Sierra University (La Sierra or LSU) is a Seventh-day Adventist co-educational university accredited by the Western Association of Schools and Colleges, and located in Riverside, California, United States. Founded in 1922, it was merged into Loma Linda University in 1967. Modern-day La Sierra University began in 1990, when it once again became an independent institution. La Sierra is a leading school in Students in Free Enterprise (SIFE), having won multiple national and world championships.