Cal. Educ. Code § 45360

It is the intent and purpose of the Legislature that teacher aides be employed in the elementary schools of the state, specifically in grades one through six, to the end of assisting classroom teachers in carrying out activities directly related to the classroom instruction of pupils. From the moneys specially appropriated therefor by the Legislature, grants shall be made to school districts pursuant to the specifications of this article for teacher aide projects approved by the State Board of Education.