California Code, Education Code - EDC § 16272

For each one dollar ($1) of money allocated to a local agency which is expended for a project, the local agency shall expend local funds for the project in an amount which bears the same percentage to the one dollar ($1) as the modified assessed valuation per unit of the average daily attendance of the local agency bears to the statewide modified assessed valuation per average daily attendance of all local agencies. Local agencies other than school districts shall use a percentage of 1.00.