S.C. Code § 59-101-100
The State Superintendent of Education shall make such rules and regulations, not inconsistent with the National Flag Code, for the display of the flag of the United States of America and the display of the State flag on the grounds of educational institutions supported, in whole or in part, by funds derived from this State. The person at the head of any educational institution in the State shall display the flag of the United States of America and the State flag on the grounds of educational institutions supported, in whole or in part, by funds derived from this State. The person at the head of any educational institution in the State shall display the flag of the United States of America and the State flag at such times and at such places and under such restrictions and rules as he may be directed to observe by the State Superintendent of Education.
S.C. Code § 59-101-100