California Code, Education Code - EDC § 52375

No pupil shall be required to pay any fee or charge for enrollment or participation in activities of career technical student organizations which are a part of a career technical class or course of instruction offered for credit, when those activities are integral to assisting the pupil to achieve the career objectives of the class or course. This section shall apply to activities which occur during or outside of the regular schoolday.

This section does not constitute a change in, but is declaratory of, existing law. Furthermore, this section shall not be construed to authorize a fee or charge for any pupil to enroll or participate in any activity other than career technical student organizations.