The board of education of any school district which has property that lies outside the boundaries of a municipality may regulate or prohibit dogs from running at large on such property or on public property within five hundred (500) feet of such property, and cause the dogs to be impounded and may authorize the humane killing or disposal of such dogs. The board of education may contract for the control of such dogs.
Okla. Stat. tit. 70, § 5-117.6