California Code, Education Code - EDC § 51935

(a) A school district shall cooperatively plan and conduct in-service training for all school district personnel that provide HIV prevention education, through regional planning, joint powers agreements, or contract services.

(b) In developing and providing in-service training, a school district shall cooperate and collaborate with the teachers of the district who provide HIV prevention education and with the department.

(c) In-service training shall be conducted periodically to enable school district personnel to learn new developments in the scientific understanding of HIV. In-service training shall be voluntary for school district personnel who have demonstrated expertise or received in-service training from the department or federal Centers for Disease Control and Prevention.

(d) A school district may expand HIV in-service training to cover the topic of comprehensive sexual health education in order for school district personnel who provide comprehensive sexual health education to learn new developments in the scientific understanding of sexual health.