Miss. Code § 37-11-18
Any student in any school who possesses any controlled substance in violation of the Uniform Controlled Substances Law, a knife, handgun, other firearm or any other instrument considered to be dangerous and capable of causing bodily harm or who commits a violent act on educational property as defined in Section 97-37-17, Mississippi Code of 1972, shall be subject to automatic expulsion for a calendar year by the superintendent or principal of the school in which the student is enrolled; provided, however, that the superintendent of the school shall be authorized to modify the period of time for such expulsion on a case by case basis. Such expulsion shall take effect immediately subject to the constitutional rights of due process, which shall include the student's right to appeal to the local school board.
Miss. Code § 37-11-18