(January 31, 2018, 2:19 PM EST) -- ATLANTA — A teacher whose students “engaged in horseplay” that led to the death of one of the students while she was away from the classroom is immune from negligence claims because her actions were discretionary, a majority of the Georgia Supreme Court found Jan. 29 (Jena Barnett, et al. v. Phyllis Caldwell, No. S17G0641, Ga. Sup., 2018 GA LEXIS 41)....