High School educational services, namely, conducting workshops, seminars and conferences in the fields of science, mathematics, language, art, social studies, history, geography, physical education, technology, and life skills and distribution of course material in connection therewith; entertainment services, namely, conducting sports exhibitions, theatrical productions, and live musical concerts; providing athletic instruction and athletic coaching, namely, coaching in the field of sports; athletic instruction in the nature of lessons and clinics in the following sports: cross country, football, basketball, soccer, swimming, baseball, golf, lacrosse, rugby, tennis, track and field, volleyball and softball