Cal. Health & Safety Code § 120335

(a) As used in this chapter, “governing authority” means the governing board of each school district or the authority of each other private or public institution responsible for the operation and control of the institution or the principal or administrator of each school or institution.
(b) The governing authority shall not unconditionally admit any person as a pupil of any private or public elementary or secondary school, child care center, day nursery, nursery school, family day care home, or development center, unless, prior to his or her first admission to that institution, he or she has been fully immunized. The following are the diseases for which immunizations shall be documented:
1. (1) Diphtheria.
2. (2) Haemophilus influenzae type b.
3. (3) Measles.
4. (4) Mumps.
5. (5) Pertussis (whooping cough).
6. (6) Poliomyelitis.
7. (7) Rubella.
8. (8) Tetanus.
9. (9) Hepatitis B.
10. (10) Varicella (chickenpox).
11. (11) Any other disease deemed appropriate by the department, taking into consideration the recommendations of the Advisory Committee on Immunization Practices of the United States Department of Health and Human Services, the American Academy of Pediatrics, and the American Academy of Family Physicians.
(c) Notwithstanding subdivision (b), full immunization against hepatitis B shall not be a condition by which the governing authority shall admit or advance any pupil to the 7th grade level of any private or public elementary or secondary school.
(d) The governing authority shall not unconditionally admit or advance any pupil to the 7th grade level of any private or public elementary or secondary school unless the pupil has been fully immunized against pertussis, including all pertussis boosters appropriate for the pupil’s age.
(e) The department may specify the immunizing agents that may be utilized and the manner in which immunizations are administered.
(f) This section does not apply to a pupil in a home-based private school or a pupil who is enrolled in an independent study program pursuant to Article 5.5 (commencing with Section 51745) of Chapter 5 of Part 28 of the Education Code and does not receive classroom-based instruction.
(g)
1. (1) A pupil who, prior to January 1, 2016, submitted a letter or affidavit on file at a private or public elementary or secondary school, child day care center, day nursery, nursery school, family day care home, or development center stating beliefs opposed to immunization shall be allowed enrollment to any private or public elementary or secondary school, child day care center, day nursery, nursery school, family day care home, or development center within the state until the pupil enrolls in the next grade span.
2. (2) For purposes of this subdivision, “grade span” means each of the following:
  1. (A) Birth to preschool.
  2. (B) Kindergarten and grades 1 to 6, inclusive, including transitional kindergarten.
  3. (C) Grades 7 to 12, inclusive.
3. (3) Except as provided in this subdivision, on and after July 1, 2016, the governing authority shall not unconditionally admit to any of those institutions specified in this subdivision for the first time, or admit or advance any pupil to 7th grade level, unless the pupil has been immunized for his or her age as required by this section.
(h) This section does not prohibit a pupil who qualifies for an individualized education program, pursuant to federal law and Section 56026 of the Education Code, from accessing any special education and related services required by his or her individualized education program.