820 ILCS 147/10

As used in this Act: (a) "Employee" means a person who performs services for hire for an employer for: (1) at least 6 consecutive months immediately preceding a request for leave under this Act; and (2) an average number of hours per week equal to at least one-half the full-time equivalent position in the employer's job classification, as defined by the employer's personnel policies or practices or in accordance with a collective bargaining agreement, during those 6 months. "Employee" includes all individuals meeting the above criteria but does not include an independent contractor. (b) "Employer" means any of the following: a State agency, officer, or department, a unit of local government, a school district, an individual, a corporation, a partnership, an association, or a nonprofit organization. (c) "Child" means a biological, adopted or foster child, a stepchild or a legal ward of an employee and who is enrolled in a primary or secondary public or private school in this State or a state which shares a common boundary with Illinois. (d) "School" means any public or private primary or secondary school or educational facility located in this State or a state which shares a common boundary with Illinois. (e) "School administrator" means the principal or similar administrator who is responsible for the operations of the school.