It shall be unlawful and shall constitute disorderly conduct for any person to create a disturbance or use loud or profane or obscene language or loiter in any public, parochial or private school building or on the premises of any school, or to refuse promptly to leave the school building and premises upon the request of the principal, superintendent or any officer or employee of the school.
(1973 Code, § 18-13) Penalty, see § 10.99