Crocker Elementary follows the Oakland Unified School District Board policies AR 5141 33 and BP 5141 for handling all cases of head lice discovered at school. Here is a letter written by the principal about the topic: lice-general-letter-for-families-2016. Crocker and the district define a healthy and safe environment as one in which adults work together to provide the following environmental factors established by current research as necessary for the health and well-being of students with head lice: Educating staff, students, and parents/guardians about head lice. Establishing evidence based management for students with head lice. The goals of providing a healthy and safe environment for students with head lice are to: Maximize academic performance. Minimize absence due to unnecessary exclusion of students with head lice.