All persons employed in any capacity in the public, private, and church elementary and secondary schools shall be immune from civil liability for communicating information to the parents of a minor child, law enforcement officers, or health care providers concerning the suspected use, possession, sale, distribution of any controlled substance as defined in Chapter 2 of Title 20, by any minor child as defined by law. Notwithstanding the foregoing, this immunity shall not apply if said person communicated such information maliciously and with knowledge that it was false.