Cal. Education Code - EDC § 310. Section 310.
(a)
Parents or legal guardians of pupils enrolled in the school may choose a language acquisition program that best suits their child pursuant to this section. Schools in which the parents or legal guardians of 30 pupils or more per school or the parents or legal guardians of 20 pupils or more in any grade request a language acquisition program that is designed to provide language instruction shall be required to offer such a program to the extent possible, based upon the requirements of Section 305.
(b)
If a school district implements a language acquisition program pursuant to this section, it shall do both of the following:
(1)
Comply with the kindergarten and grades 1 to 3, inclusive, class size requirements specified in Section 42238.02.
(2)
Provide, as part of the annual parent notice required pursuant to Section 48980 or upon enrollment, the parent or legal guardian of a minor pupil with information on the types of language programs available to pupils enrolled in the school district, including, but not limited to, a description of each program.