(1) A person commits the offense of criminal trespass in the first degree if:
(a) That person knowingly enters or remains unlawfully:
(i) In a dwelling; or
(ii) In or upon the premises of a hotel or apartment building;
(b) That person:
(i) Knowingly enters or remains unlawfully in or upon premises that are fenced or enclosed in a manner designed to exclude intruders; and
(ii) Is in possession of a firearm, as defined in section 134-1, at the time of the intrusion; or
(c) That person enters or remains unlawfully in or upon the premises of any public school as defined in section 302A-101, or any private school, after reasonable warning or request to leave by school authorities or a police officer; provided however, such warning or request to leave shall be unnecessary between 10:00 p.m. and 5:00 a.m.
(2) Criminal trespass in the first degree is a misdemeanor.