Sec. 4. The salary of the rural school supervisor shall be determined by the County Board of School Trustees;  provided that the total salary paid such supervisor for any one year shall not exceed One Thousand, Five Hundred Dollars ($1,500).  Said salary shall be paid out of the available funds of the districts in proportion to the weekly salary or salaries of the teachers of the district.
Sec. 5. The employment of a rural school supervisor under the terms of this Act shall exempt the County Superintendent from holding a teachers' institute for rural teachers;  and in all counties having a population of twenty-nine thousand, three hundred (29,300) to twenty-nine thousand, five hundred (29,500), according to the last available Federal Census, shall exempt the County Superintendent from holding a teachers' institute for teachers of independent districts with a scholastic population of less than five hundred (500);  and shall exempt the teachers of such schools of the county from attendance upon a teachers' institute, as provided for in Article 2691, Revised Civil Statutes of Texas of 1925, and as amended by the Fortieth Legislature.