S.C. Code § 59-127-450
The State Treasurer is authorized to accept custody of receipts and revenues derived from the imposition of the admission fee and any special student fee imposed by the trustees, to deposit them in the Debt Service Fund, and to utilize the proceeds of the fund for the payment of the principal and interest on the bonds and for the establishment of a cushion or reserve for their payment. The trustees shall make adequate provisions for the transmission of the revenues derived from the fees to the State Treasurer in a manner prescribed by the State Treasurer. Monies in the fund may be invested and reinvested by the State Treasurer in obligations enumerated in Section 11-9-660, with maturities consonant with the needs of the fund.
S.C. Code § 59-127-450