Cal. Pub. Res. Code § 17003

Notwithstanding the prohibition on hiring or retaining an employee with a controlled substance offense, as defined in Section 44011 of the Education Code, contained in Part 25 (commencing with Section 44000) of Division 3 of Title 2 of the Education Code, a school district or county office of education that operates a community conservation corps certified pursuant to Section 14507.5 may select an applicant for enrollment in the community conservation corps program who is on probation, parole, postrelease community supervision, or mandatory supervision.