Cal. Education Code § 15302

(a) Two or more small school districts that have had the issuance of bonds authorized by the voters pursuant to this chapter may form a joint powers authority in accordance with the provisions of Article 1 (commencing with Section 6500) of Chapter 5 of Division 7 of Title 1 of the Government Code for the purpose of issuing or selling those bonds for raising money for the purposes authorized. (b) A joint powers authority described in subdivision (a) shall be deemed a school district for purposes of this chapter only and may exercise all authority granted to a school district under this chapter under the conditions imposed by this chapter for the issuance and sale of bonds. (c) Each small school district shall be responsible for its respective voter-approved bonds pursuant to this chapter. A joint powers authority formed pursuant to this section shall serve the purpose of sharing administrative costs associated with the issuance and sale of bonds and shall not otherwise affect the terms of the respective voter-approved bonds. (d) For purposes of this section, “small school district” means a school district with fewer than 2,501 units of average daily attendance.