Ohio Rev. Code § 3315.05: Payment of bonds and interest.

The board of education shall appropriate to the use of the sinking fund any taxes levied for the payment of interest on its bonded indebtedness, together with the sum provided for in section 3315.02 of the Revised Code. Sums so appropriated shall be applied to no other purpose than the payment of such bonds, interest thereon, and necessary expenses of the board of commissioners of the sinking fund.