- Main Our Schools Board of Trustees District Calendar Job Openings WELCOME TO BIG BEAR LAKE, CALIFORNIA: Bear Valley Unified School District is a K-12 public school district located high in the San Bernardino Mountains of Southern California. Our Address is: 42271 Moonridge Road P.O. Box 1529 Big Bear Lake, California 92315 Telephone: (909) 866-4631 Fax: (909) 866-2040 Click Here to E-Mail Us See ...www.bigbear.k12.ca.us