In all counties having a total population of not more than thirty thousand, nine hundred and twenty-five (30,925) and not less than thirty thousand, nine hundred and fifteen (30,915), according to the last preceding Federal Census, and at the same time in those counties having a scholastic population of not more than eight thousand, four hundred and eighty (8,480) and not less than eight thousand, four hundred and seventy (8,470), according to the latest scholastic census as contained in the Public School Directory of the State Department of Education, the salary of a member of a county board of school trustees shall be Five Dollars ($5) per day, provided that not more than twelve (12) meetings shall be held in any fiscal year for which reimbursement is paid.
Tex. Rev. Civ. Stat. Ann. art. 2740h