educational services, namely, providing distance learning instruction, curriculum and courses at the secondary, college and graduate levels; educational career training programs in the fields of acounting, bridal consulting, business management, carpentry, catering, child care, computers and computer science, conservation, cooking, electronics, electrician training, financial planning, fitness and exercise, floral design, forensic science, graphic design, gunsmithing, heating and air conditioning systems, home inspection, hotel and restaurant management, interior decorating, jewlery design and repair, landscape design, locksmithing, marketing, massage, mechanics, medical practice support services, motorcycle repair, nutrition, diet and health sciences, paralegal studies, pharmacy support services, photography, physical therapy, plumbing, property management, security, sports psychology, tax preparation, teacher assisting, travel agent, veterinary assisting, and writing, all done by correspondence and via computer networks