Miss. Code § 37-3-13
The deputy superintendents, associate superintendents and directors shall be selected by and hold office subject to the will of the State Superintendent of Public Education subject to the approval of the State Board of Education. All other personnel shall be competitively appointed by the State Superintendent and shall be dismissed only for cause in accordance with the rules and regulations of the State Personnel Board. The State Board of Education shall set the salary of the members of the teaching staffs and employees of the Mississippi School of the Arts, the Mississippi School for the Blind, the Mississippi School for the Deaf, and the Mississippi School for Math and Sciences. The State Superintendent, subject to the approval of the State Personnel Board, shall fix the amount of compensation of all other employees of the State Department of Education. All salaries, compensation or expenses of any of the personnel of the department shall be paid upon the requisition of the State Superintendent of Public Education and warrant issued thereunder by the State Auditor out of funds appropriated by the Legislature in a lump sum upon the basis of budgetary requirements submitted by the Superintendent of Education or out of funds otherwise made available. The entire expense of administering the department shall never exceed the amount appropriated therefor, plus funds received from other sources other than state appropriations. For a violation of this provision, the superintendent shall be liable, and he and the sureties on his bond shall be required to restore any such excess.
Miss. Code § 37-3-13