Mississippi Code Title 37. Education § 37-13-161

Nothing in this code shall be construed to prevent any local school board, in its discretion, from allowing references to religion or references to or the use of religious literature, history, art, music or other things having a religious significance in the public schools of such school district, when such references or uses do not constitute aid to any religious sect or sectarian purpose and when such references or uses are incidental to or illustrative of matters properly included in the course of study.