S.C. Code Ann. § 20-7-8925
(C) The provisions of this section do not apply to a student who:
(4) tastes the liquor pursuant to item (3) only for instructional purposes during classes that are part of the curriculum of the accredited college or university.
The liquor must at all times remain in the possession and control of an authorized instructor of the college or university who must be twenty-one years of age or older. Nothing in this subsection shall be construed to allow a student under the age of twenty-one to receive any alcoholic liquor unless the liquor is delivered as part of the student's required curriculum, and the liquor is used only for instructional purposes during classes conducted pursuant to the curriculum.