S.C. Code Ann. § 63-5-50: Parental immunity in cases of incorrigibility of seventeen year old.

A parent, guardian, or other person responsible for the care and support of a child may not be charged with unlawful neglect of a child, cruelty to a child, failure to provide reasonable support of a child, or a similar offense based on the exclusion from the home of a seventeen-year-old child where there is a demonstrable record that the child is incorrigible (beyond the control of parents).