As used in this subchapter, unless the context otherwise requires:
(1) “College” includes a school of barbering, college of barbering, barber school, barber college, and any other place or institution of instruction training persons to engage in the practice of barbering;
(2) “Postsecondary school of barbering” means a school or college that admits students who have a high school diploma or the equivalent of a high school diploma who are beyond the age of compulsory school attendance in this state; and
(3) “Secondary school of barbering” means: A school that admits students who have completed grade eight (8) or the equivalent of grade eight (8) and are at least sixteen and a half (16 ½) years of age; or
(4) A school with enrollment made up of no more than fifty percent (50%) of students with neither a high school diploma nor the equivalent of a high school diploma.