Tennessee Code Title 49. Education § 49-6-2704

(a) An LEA that receives, from a threat assessment team or any other source, credible information regarding a threat of violence or significantly disruptive behavior directed toward, or occurring on the grounds of, a public school in the LEA, and that reports the threat or disruptive behavior to a state or local law enforcement agency, must also notify the parents and guardians of students enrolled in the public school of the same threat or disruptive behavior the LEA reported to law enforcement.

(b) The LEA shall notify parents and guardians within forty-eight (48) hours of the LEA's report to a state or local law enforcement agency, and may be made using existing communication methods for providing information to parents and guardians.

(c) For purposes of this section, a report made to a school resource officer, as defined in § 49-6-4202, or an off-duty law enforcement officer who is serving as an armed school security officer pursuant to § 49-6-809, is not a report to a state or local law enforcement agency.  If the school resource officer or armed school security officer subsequently reports the threat of violence or significantly disruptive behavior to the law enforcement agency that employs the school resource officer or armed school security officer or another law enforcement agency with jurisdiction over the school for further investigation or for additional assistance in deescalating a situation occurring on the grounds of the public school or LEA, then the LEA or public charter school shall notify parents and guardians in accordance with subsection (b).

(d) Each local board of education shall report at each quarterly meeting: