NRS 394.180: Damage to property; nuisance; loitering; trespass; disturbance of school; penalty.

1. It is unlawful for any person:

(a) Willfully and maliciously to injure, mark or deface any private schoolhouse, its fixtures, books or appurtenances;

(b) To commit any nuisance in any private schoolhouse;

(c) To loiter on or near the school grounds;

(d) Purposely and maliciously to commit any trespass upon the grounds attached to a private schoolhouse, or any fixtures placed thereon, or any enclosure or sidewalk about the same; or

(e) In any manner maliciously and purposely to interfere with or disturb any persons peaceably assembled within a private schoolhouse for school purposes.

2. Unless a greater penalty is provided by NRS 206.125, any person violating any of the provisions of subsection 1 is guilty of a public offense, as prescribed in NRS 193.155, proportionate to the value of the property damaged or destroyed and in no event less than a misdemeanor.