Cal. Ed. Code § 1620
On or before July 1 of each fiscal year, the county board of education shall hold a public hearing on the proposed county school service fund budget for that fiscal year (the "budget year"). The public hearing shall be held prior to the adoption of the budget by the county board of education, and shall occur not less than three days following the availability of the proposed budget for public inspection. The agenda for that hearing shall be posted at least 72 hours prior to the hearing and shall include the location of where the budget will be available for inspection. At the hearing, any taxpayer directly affected by the county school service fund budget may appear before the county board of education and speak on the proposed budget or any item therein.
Ca. Educ. Code § 1620