Cal. Education Code § 45244

(a) To be eligible for appointment or reappointment to the commission a person shall meet both of the following requirements: (1) Be a registered voter and resident within the territorial jurisdiction of the school district. (2) Be a known adherent to the principle of the merit system. No member of the governing board of any school district or a county board of education shall be eligible for appointment, reappointment, or continuance as a member of the commission. During his or her term of service, a member of the commission shall not be an employee of the school district. (b) As used in this section, residence is that place in which his or her habitation is fixed, wherein the person has the intention of remaining, and to which, whenever he or she is absent, the person has the intention of returning. At a given time, a person may have only one residence. (c) As used in this section, “known adherent to the principle of the merit system,” with respect to a new appointee, means a person who by the nature of his or her prior public or private service has given evidence that he or she supports the concept of employment, continuance in employment, in-service promotional opportunities, and other related matters on the basis of merit and fitness. As used in this section, “known adherent to the principle of the merit system,” with respect to a candidate for reappointment, means a commissioner who has clearly demonstrated through meeting attendance and actions that he or she does, in fact, support the merit system and its operation.