§ 130.03  CONDUCT ON SCHOOL PROPERTY.
   (A)   No person shall mark with any substance, or in any other manner deface or do damage to any building owned, occupied or otherwise used as a school within the city.
   (B)   No person shall mark with any substance, or in any other manner deface or do damage to any fence, tree, lawn or other fixture situated on lands owned, occupied or otherwise used by a school within the city.
   (C)   No person, while on public or private grounds adjacent to any building in which a school or any class thereof is in session, shall willfully make or assist in the making of any noise or diversion which disturbs or tends to disturb the peace, quiet or good order of such school session or class thereof.
   (D)   No person while on public or private lands adjacent to any building or lands owned, occupied or otherwise used by a school within the city, in or on which any gathering or function is in progress, whether in the day or nighttime, shall willfully make or assist in the making of any noise or diversion which disturbs or tends to disturb the peace, quiet or good order of such gathering or function.
   (E)   No person, while in any building owned, occupied or otherwise used by a school within the city, shall utter any profane, indecent or immoral language towards any person or while within the hearing of any other person.
   (F)   No person, while on any lands owned, occupied or otherwise used by a school within the city, shall utter any profane, indecent or immoral language towards any person or while within the hearing of any other person.
   (G)   No person not a student or employee of any school located in the city, or parent or guardian of any student enrolled therein, shall remain within any school during normal school hours without securing the written permission of the principal or person in charge of said school.
   (H)   The term STUDENT as used herein is hereby defined as any person of school age and enrolled in the school at which he or she then is present.
(1991 Code, § 9.11)  Penalty, see § 10.99