“Volunteer” means any person who, without compensation, works at, assists with or oversees any activity or event conducted or sponsored by a private school during or outside of school hours. The term:
1. Includes, without limitation, a coach, assistant coach, director of in-school or extracurricular activities and chaperone of an overnight trip.
2. Does not include a student who is enrolled at an institution of higher education and is:
(a) Taking a course which requires the student to be present in the classroom of the private school on a limited basis to observe and to be observed in the classroom; and
(b) Under direct supervision of a teacher or his or her professor at all times while in the classroom.