"Employee" means a person employed by a school whose relationship with that agency constitutes an employer-employee relationship under the usual common law rules, and who is not an independent contractor. "Employee" includes, but is not limited to, a teacher, student teacher, aide, secretary, custodial engineer, coach, or his or her designee.
"School administrator" means the school's principal, or his or her designee.
"Safe school zone" means an area that encompasses any of the following places during regular school hours or within 60 minutes before or after the school day or 60 minutes before or after a school-sponsored activity. This shall include any school property, ground, or street, sidewalk, or public way immediately adjacent thereto and any public right-of-way situated immediately adjacent to school property. The safe school zone shall not include any portion of the highway not actually on school property.
"School activity" means and includes any school session, any extracurricular activity or event sponsored by or participated in by the school, and the 60-minute periods immediately preceding and following any session, activity, or event.
"Student" means any person enrolled or previously enrolled in a school.
720 ILCS 5/21-5.5