Tenn. Code Ann. § 67-4-2911

The taxes collected pursuant to this part shall be remitted by the collector to the county or metropolitan government trustee, who shall place the tax proceeds in the fund or funds designated by the governing body, but the tax proceeds shall be used exclusively for the purpose of funding capital expenditures for education, including the retirement of bonded indebtedness, the need for which is reasonably related to population growth.