Each teacher will be scheduled for a duty free lunch period between 11:00 A.M. and 2:00 P.M. each school day. This lunch period shall be equal to the midday intermission given to the students of the school, in which the teacher is employed and which shall be a maximum of sixty (60) minutes. Designated Professional Staff will be on call during this lunch period to deal with discipline, parent inquiries and other problems normally under the jurisdiction of a teacher.