Any child enrolled in a public school who is unable, because of the observance of a religious holiday, to attend classes on a particular day or days or at a particular time of day shall be excused from any examination or any study or work assignments on such particular day or days or at such particular time of day. It shall be the responsibility of the teachers and of the administrative officials of each public school to make available to each child who is absent from school because of the observance of a religious holiday an equivalent opportunity to make up any examination, study or work requirements which he has missed because of such absence on any particular day or days or at any particular time of day. No special fees of any kind shall be charged to the child for making available to such child such equivalent opportunity. No adverse or prejudicial effects shall result to any child because of his availing himself of the provisions of this Section.