Miss. Code § 37-51-21
The amount of any loan made or granted to any applicant shall be reduced by a credit at the rate of one hundred dollars ($100.00) per annum for each year from and after five years from the initial date of the granting of said loan that applicant continues to reside in the State of Mississippi.
In addition, the amount of said loan shall be reduced by a credit at the rate of one hundred dollars ($100.00) per annum for each year that applicant continues his education at any junior college, college or university within the State of Mississippi after his graduation or termination from secondary school.
In addition, the amount of said loan shall be reduced by a credit at the rate of two hundred dollars ($200.00) per annum for each year that applicant resides within the state and teaches in any school system therein, beginning from the date of his certification or licensing by the state department of education to teach in any such system.
Miss. Code § 37-51-21