Mississippi Code Title 37. Education § 37-51-19

(a) Repayment in full of the principal of the loan may be made at any time prior to three years after graduation from or termination of attendance in an approved school, plus simple interest at the rate of three percent per annum from the date of each payment made to applicant.

(b) Repayment of the principal of the loan after three years from the date of graduation from or termination of attendance in an approved school shall be with interest at the rate of four percent per annum from the date of each payment made to applicant. From and after the fourth year following graduation or termination of attendance in an approved school, the rate of interest to be paid on the remaining unpaid balance, after such fourth year, shall increase at the rate of one-half percent per annum to a maximum of eight percent.

(c) No applicant shall be entitled to more than twelve years after said graduation or termination of attendance in an approved school within which to repay said loan.