The state board may review, as it deems necessary, the programs and expenditures by each district receiving a subvention under this chapter to ascertain that the funds budgeted from nonstate sources are in fact being expended substantially in accordance with the budget on which the subvention was based. Where the state board finds that the funds are not being so expended, the state board may, after a public hearing held pursuant to Section 39806.5 do any of the following: