CA Educ Code Section 49334

If a school employee initially notifies a law enforcement agency regarding a student or adult who possesses an injurious object while upon school premises or while under the authority of school personnel, the employee may not be subject to any civil or administrative proceeding, including any disciplinary action, for violation of any local policy or procedure relating to the notification of a law enforcement agency. The employee shall conform to locally adopted procedures after exercising his or her personal option to notify a law enforcement agency.