S.C. Code Ann. § 59-18-310
(A) Notwithstanding any other provision of law, the State Board of Education, through the Department of Education, is required to develop or adopt a statewide assessment program to promote student learning and to measure student performance on state standards and:
(4) provide professional development to educators.
Assessments required to be developed or adopted pursuant to the provisions of this section or chapter must be objective and reliable.