105 ILCS 5/13-43.6

To employ a superintendent who shall have charge of the administration of the schools under the direction of the Board of Education. In addition to the administrative duties, the superintendent shall make recommendations to the Board concerning the budget, building plans, the location of sites, the selection of textbooks, instructional material and courses of study. The superintendent shall keep or cause to be kept the records and accounts as directed and required of the Board, aid in making reports required by the Board, and perform such other duties as the Board may delegate to him.