S.D. Codified Laws § 13-64-1

Any school board may create, establish, and supervise the arming of school employees, hired security personnel, or volunteers in such manner and according to such protocols as the board may believe to be most likely to secure or enhance the deterrence of physical threat and defense of the school, its students, its staff, and members of the public on the school premises against violent attack. Those so authorized shall be referred to as school sentinels.