S.C. Code Ann. § 59-20-55: Proficiency requirements for teachers.

Beginning July 1, 1986, and thereafter, employment may be provided only to teachers who demonstrate minimum knowledge proficiency by meeting one of the criteria outlined in Section 59-20-50(4)(b). The criteria do not have to be met by teachers having twenty-five years or more of teaching service as of the effective date of the South Carolina Education Improvement Act of 1984 in order for them to be employed.