Ala. Code § 45-52-161.04
Twenty percent of each TVA payment remaining after the allocations, distributions, and payments described in Section 45-52-161.02 shall be allocated among the participating boards of education as follows: The commission shall distribute and pay to each participating board of education an amount bearing the same proportion to the total amount to be so allocated pursuant to this section as the population of the city served by the participating board of education (in the case of either the Board of Education of the City of Decatur or the Board of Education of the City of Hartselle), or the population of the county less the populations of the Cities of Decatur and Hartselle (in the case of the Board of Education of Morgan County), bears to the total population of the county, all determined according to the then most recent federal decennial census, and in accordance with Section 45-52-161.10.
Ala. Code § 45-52-161.04 (1975)