Cal. Code Regs. tit. 5 § 3933
School districts maintaining programs under this chapter shall provide staff development for all certificated, paraprofessional, other appropriate classified, and volunteer personnel involved in the program to assure successful implementation of the program. Staff development activities must be related to the unmet needs for staff as identified in the needs assessment.
The district shall provide for joint participation of certificated, paraprofessional, other appropriate classified, and volunteer personnel in staff development activities. Attendance and participation in staff development activities shall be encouraged through appropriate announcements to members of district and school advisory committees and school-site councils.
Cal. Code Regs. Tit. 5, § 3933