University of Illinois at Urbana-Champaign educator licensure candidates must not administer corporal punishment nor serve as a witness to such. According to the Illinois School Code, 105 ILCS 5/24-24, teachers may not engage in slapping, paddling, or prolonged maintenance of students in physically painful positions, and/or intentional infliction of bodily harm.
See resource (105 ILCS 5/24-24).