Big Bear, CA, February 12, 2013 – According to the Bear Valley Unified School District, Big Bear High School, Chautaugua High School and Baldwin Lane are on full lock down as of approximately 1pm today.  All other schools are on-hold, or modified lock down, until more information is known about police activity in the Dorner investigation off of Highway 38.  The school buses are on-hold as well.  BVUSD is requesting that parents do not go to the school sites to retrieve their children.