The court of county commissioners, board of revenue, or other like governing body of each of the several counties in the state shall have the power to levy and collect a special county tax of not to exceed fifty cents on each one hundred dollars of taxable property, in addition to all other taxes now or hereafter authorized by the Constitution and laws of Alabama, for educational purposes, on the value of the taxable property in the county as assessed for state taxation, provided the purpose thereof, and the time such tax is proposed to be continued shall have been first submitted to a vote of the qualified electors of the county and voted for by a majority of those voting at such election. If any proposal to levy the tax is defeated in any election, subsequent elections thereon may be held at any time. The election provided for herein shall be called, held, conducted, paid for, and governed otherwise in the manner provided for an election on the school district tax authorized in constitutional amendment III [3].