Cal. Elec. Code § 350
“School measure” means any proposition, including but not limited to, a proposal for the issuance of bonds by a school district or community college district, an increase in the maximum tax rate of a school district or community college district, or the acceptance, expenditure, and repayment of state funds by a school district or community college district to enable the district to construct buildings and other facilities, submitted to the voters of the district at any election held in the district.