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.
S.C. Code § 59-20-55