For the purpose of determining whether or not any school property has been maliciously injured as the offense of malicious mischief is defined in § 16-11-520 and as to whether or not there has been a trespass upon such property as this offense is defined in § 16-11-600 and for all prosecutions under these penal statutes and other statutes of a like nature, the trustees of the respective school districts in this State in their official capacity shall be deemed to be the owners and possessors of all school property.