Teachers and other school personnel shall be immune from any civil liability for communicating information in good faith concerning drug abuse by any child to that child’s parents, to law enforcement officials, or to health care providers. (Code 1981, § 51-1-30.1, enacted by Ga. L. 1982, p. 2495, § 1; Code 1981, § 51-1-30.2, as redesignated by Ga. L. 1983, p. 3, § 40.)