Are you attending college in South Carolina? If so, you have a choice to make.
Resident students in South Carolina may register to vote either where they reside while attending college or at their home of origin. Whether you consider yourself to be more a resident of your college location or your original home location is up to you. Only you can decide where you think you want your voice as a voter to be heard. Just know that you can vote either where you attend school or at your home of origin, but not both.