Alabama constitution
Article XIV: education
Section 269.02

The several school districts of any county in the state shall have power to levy and collect a special district tax not exceeding thirty cents on each one hundred dollars worth of taxable property in such district for public school purposes; provided, that a school district under the meaning of this section shall include incorporated cities or towns, or any school district of which an incorporated city or town is a part, or such other school districts now existing or hereafter formed as may be approved by the county board of education; provided further, that the rate of such tax, the time it is to continue and the purpose thereof shall have been first submitted to the vote of the qualified electors of the district and voted for by a majority of those voting at such election; provided further, that no district tax shall be voted or collected except in such counties as are levying and collecting not less than a three-mill special county school tax.