(1) A person shall be guilty of a misdemeanor if that person:
(a)  Enters a school bus with intent to commit a crime;
(b)  Enters a school bus and disrupts or interferes with the driver; or
(c)  Enters a school bus and refuses to disembark after being ordered to do so by the driver.
(2)  School districts shall place notices at the entrance to school buses which warn against unauthorized school bus entry.