The county board of education, upon the recommendation of the county superintendent of education, shall appoint a sufficient number of enumerators to take the census of the county during the month of July or at such other time as the State Superintendent of Education shall cause the whole or any part of any school census in a county to be retaken. The county board of education, upon the recommendation of the county superintendent of education, shall fix the compensation of the enumerators taking any school census and shall order them paid out of the treasury of the county. The report of the enumerators shall be made under oath to the county superintendent of education not later than the fifteenth day of August next succeeding for the census taken during the month of July, and not later than seven days after the direction of the State Superintendent of Education where the census or part thereof has been caused by the State Superintendent of Education to be retaken.