Section 5517 - Unauthorized school bus entry(a) Offense defined.--A person who enters a school bus without prior authorization of the driver or a school official with intent to commit a crime or disrupt or interfere with the driver or a person who enters a school bus without prior authorization of the driver or a school official who refuses to disembark after being ordered to do so by the driver commits a misdemeanor of the third degree.(b) Notice.--A school district may place a notice at the entrance of the school bus that warns against unauthorized entry.1998, June 11, P.L. 460, No. 65, § 1, effective in 60 days.