This chapter shall not apply to:
(1) Any school or educational institution which offers to full-time, regularly enrolled students as a part of its curriculum a course in driving instruction;
(2) Automobile dealers and their salesmen who give instruction without charge to purchasers of motor vehicles;
(3) Employers who give instruction without charge to their employees; or (4) Any college within the Kentucky Community and Technical College System, which is located in a county where there is not a school licensed pursuant to this chapter, and which offers to part-time students a course in drivers' instruction.