In all counties of the State of Texas having a population of not less than fourteen thousand, five hundred and thirty-five (14,535) and not more than fourteen thousand, five hundred and fifty-five (14,555) inhabitants, according to the last preceding Federal Census, the salary of the County Superintendent of Public Instruction shall be not less than Eighteen Hundred Dollars ($1800) and not more than Twenty-four Hundred Dollars ($2400) per annum, the amount of which salary shall be fixed by the order of the County Boards of Education for the respective counties; and the County Board of Education for each of the counties coming within this Act shall, by order entered in its Minutes, set the salary for its respective county.
Tex. Rev. Civ. Stat. Ann. art. 2700d-30