For counties — thirty-five cents on the hundred dollars assessed valuation in counties having three hundred million dollars, or more, assessed valuation and having by operation of law attained the classification of a county of the first class; and fifty cents on the hundred dollars assessed valuation in all other counties;
For school districts formed of cities and towns, including the school district of the city of St. Louis — two dollars and seventy-five cents on the hundred dollars assessed valuation;
For all other school districts — sixty-five cents on the hundred dollars assessed valuation.
