2005 California Education Code Sections 48000-48002 Article 1. Kindergartens

48000.  (a) A child shall be admitted to a kindergarten at the
beginning of a school year, or at any later time in the same year if
the child will have his or her fifth birthday on or before December 2
of that school year.
   A child who will have his or her fifth birthday on or before
December 2 may be admitted to the prekindergarten summer program
maintained by the school district for pupils who will be enrolling in
kindergarten in September.
   (b) The governing board of any school district maintaining one or
more kindergartens may, on a case-by-case basis, admit to a
kindergarten a child having attained the age of five years at any
time during the school year with the approval of the parent or
guardian, subject to the following conditions:
   (1) The governing board determines that the admittance is in the
best interests of the child.
   (2) The parent or guardian is given information regarding the
advantages and disadvantages and any other explanatory information
about the effect of this early admittance.
48002.  The parent or guardian of a child shall, prior to the
admission of the child to the kindergarten or first grade of a school
district, present proof to the authorities of the district
evidencing that the child is of the minimum age fixed by law for
admission thereto.  The method of proof of age shall be prescribed by
the governing board, and the evidence may be in the form of a
certified copy of a birth record or a statement by the local
registrar or a county recorder certifying the date of birth, or a
baptism certificate duly attested, or a passport, or, when none of
the foregoing is obtainable, an affidavit of the parent, guardian, or
custodian of the minor, or any other appropriate means of proving
the age of the child as prescribed by the governing board of the
school district.