It shall be unlawful for any person, not a student of the school involved, to return to any school grounds, school buildings or streets, sidewalks or public ways adjacent thereto, without lawful business therein, within a period of 90 days if the person has been asked, during school hours or during school functions, to leave the school grounds, school buildings or streets, sidewalks or public ways adjacent thereto, by the Chief Administrative Officer of the school, or by any certified school employee designated as the agent of the Chief Administrative Officer or by any peace officer for any of the following reasons:
(A) Misconduct on or about any of the above-described premises (misconduct is to be defined by local school regulations regarding conduct on campus, or by Cal. Penal Code § 415);
(B) Conviction of any offense requiring registration under Cal. Penal Code § 290;
(C) Conviction of any offense included in Cal. Health and Safety Code Division 10 or Division 10.5; or
(D) Repeated or frequent loitering in or about the above-described premises, without having lawful business at the premises.
(1995 Code, § 6.08.060)