(1) "Adjutant General" shall mean the South Carolina Adjutant General.
(2) "Academic year" shall mean any period of three hundred sixty-five days beginning with the first day of enrollment for a course of instruction by a National Guard member.
(3) "Eligible institution" shall mean:
(a) any institution of higher learning located in this State and any post-secondary business or technical education school located in this State;
(b) any vocational or training school which shall have received the approval of the Adjutant General.
(4) "National Guard" shall mean South Carolina National Guard.
(5) "Tuition" shall mean the amount charged for registering or credit hours of instruction and shall not include other fees, charges or costs of textbooks.