Cal. Educ. Code § 60208
(a) It is the intent of the Legislature to do both of the following:
(b) The Superintendent, in collaboration with the state board, teachers of various grade levels and subject areas, district and county office of education curriculum administrators selected from various geographic areas, professional development training experts, and representatives from postsecondary institutions or other educational agencies and organizations, as deemed appropriate by the Superintendent, shall do all of the following:
(2) Develop model professional development modules for teachers, principals, and school leaders that incorporate, make use of, and build upon existing professional development programs and opportunities currently available at the local, state, and national levels to deepen the understanding of at least all of the following: