105 ILCS 5/2-3.6

To make rules, in accordance with the Illinois Administrative Procedure Act, that are necessary to carry into efficient and uniform effect all laws for establishing and maintaining free schools in the State. The State Board of Education may not adopt any rule or policy that alters the intent of the authorizing law or that supersedes federal or State law. The Board may not make policies affecting school districts that have the effect of rules without following the procedures of the Illinois Administrative Procedure Act.