The State Board of Education may prescribe all such regulations as may not be inconsistent with Chapters 35, 37, 39, 43, 45, 53 and 55 and with the School Code to provide for the inspection and classification of all elementary and secondary schools.
Regulations for inspection and classification of schools
S.C. Code Ann. § 59-39-140, under Title 59, Chapter 39.
S.C. Code Ann. § 59-39-140