Cal. Ed. Code § 47605.3
Notwithstanding subdivision (e) of Section 47605, a charter school with a schoolsite physically located in the attendance area of a public elementary school in which 50 percent or more of the pupil enrollment is eligible for free or reduced price meals may give a preference in admissions to pupils who are currently enrolled in that public elementary school and to pupils who reside in the elementary school attendance area where the charter schoolsite is located. This section is not intended to affect the requirement contained in subdivision (e) of Section 47605 that a public school converting partially or entirely to a charter school adopt and maintain a policy that gives an admission preference to pupils who reside within the former attendance area of that public school.
Ca. Educ. Code § 47605.3