105 ILCS 5/1-3
In this Code:
The terms "common schools", "free schools" and "public schools" are used interchangeably to apply to any school operated by authority of this Act.
"School board" means the governing body of any district created or operating under authority of this Code, including board of school directors and board of education. When the context so indicates it also means the governing body of any non-high school district and of any special charter district, including a board of school inspectors.
"School fees" or "fees" means any monetary charge collected by a public school, public school district, or charter school from a student or the parents or guardian of a student as a prerequisite for the student's participation in any curricular or extracurricular program of the school or school district as defined under paragraphs (1) and (2) of subsection (a) of Section 1.245 of Title 23 of the Illinois Administrative Code.
"Special charter district" means any city, township, or district organized into a school district, under a special Act or charter of the General Assembly or in which schools are now managed and operating within such unit in whole or in part under the terms of such special Act or charter.
105 ILCS 5/1-3