Missouri Revised Statutes Title XI. Education and Libraries § 170.311. Organ, eye, and tissue donation, instruction on, when--students may opt out of instruction, when

1. If a state or nationally recognized program or organization that provides unbiased information on organ, eye, and tissue donation requests to present information on organ, eye, and tissue donation to a school board or a governing board of a charter school, the school board or governing board shall allow a presentation to be given, and shall allot no less than thirty minutes for the presentation. School boards and governing boards shall then consider the information presented and make a decision on whether to present such information to students and parents in the district or charter school and the manner in which such information shall be presented.

2. No student shall be required to participate in any instruction relating to information about organ, eye, and tissue donation if the student has any sincerely held religious or emotional belief which is contrary to such instruction.