The total allowable income per pupil, exclusive of the provisions of Education Code Section 42905 for programs allowed under Education Code Section 42904(c), is determined annually by the Superintendent of Public Instruction. The amount determined shall be no less than 30% nor more than 60% of the average per pupil expenditure, excluding categorical funds, in the schools in California.
Cal. Code Regs. Tit. 5, § 15185