Cal. Ed. Code § 15149
The issuing school district or community college district by action of its governing board may prepare, or have prepared, bond brochures to serve as a prospectus for bond buyers to assist in the satisfactory sale of the bonds, the expense of the brochures to be payable out of the funds of the district. The brochures may be prepared only after the issuance of the bonds to be sold has been approved by the electors of the district pursuant to Sections 15120 to 15126, inclusive.
The issuing school district or community college district by action of its governing board may expend district funds for the purposes of advertising the availability of the bonds for purchase in any publication or newspaper which in the opinion of the governing board will give notice to prospective bond buyers that the bonds are available for purchase by bond buyers.
Ca. Educ. Code § 15149