Tennessee Code Title 49. Education § 49-50-1408

(a) Any person having knowledge of a knowing or willful falsification within the meaning of §§ 49-50-1404 and 49-50-1405 or the waste or mismanagement of public education funds may report or disclose the falsification, waste or mismanagement to the department of education or committee of the general assembly or individual official, member or employee of the department or committee.

(b) The department shall make a thorough investigation of any written report of falsification, waste or mismanagement. No investigation of anonymous reports shall be required by this part. Reports of alleged falsification, waste or mismanagement shall be confidential only to the extent the person reporting requests that the person's name not be revealed.

(c) No penalty shall attach to the failure to report and a person reporting shall be presumed to be acting in good faith and shall thereby be immune from any liability, civil or criminal, that might otherwise be incurred or imposed for the reporting.