If a school district, intermediate school district, or public school academy provides instruction to pupils on child sexual abuse pursuant to the policy adopted under section 1505, both of the following apply:

    (a) A pupil shall not be provided with the instruction unless the pupil’s parent or guardian is notified in advance of the instruction and the content of the instruction, is given a prior opportunity to review the materials to be used in the instruction, and is notified in advance of his or her right to have the pupil excused from the instruction.

    (b) Upon the written request of a pupil’s parent or legal guardian, a pupil shall be excused from the instruction without penalty or loss of academic credit.