Tennessee Code Title 53. Food, Drugs and Cosmetics § 53-11-405

(a) Any officer or authorized representative of the Tennessee bureau of investigation designated by the director of that bureau may:

(b) It is the duty of the principal, or of the comparable chief administrative officer designated by any other equivalent title, of any school, public, private, denominational or parochial, who has probable cause to believe that any person has committed, or is committing, any violation of part 3 of this chapter and this part, or title 39, chapter 17, part 4, upon the school grounds or within any buildings or structures embraced by such individual's administrative responsibility, to report the probable cause intelligence immediately to the sheriff of the county if the school is in an unincorporated area, or to the police chief or other equivalent law enforcement official if the school is located within an incorporated municipality.