Okla. Stat. tit. 70 § 7-107
Once a school district has voted to dispense with grades one through eight or one through twelve, it shall be illegal for the board of education of such district to sell, exchange, trade, junk, salvage, or otherwise dispose of any furniture, equipment, land, buildings, or other such assets belonging to the school district unless such sale, exchange, trade or disposal is made to, and only to, another public school district in the State of Oklahoma. It shall also be illegal for the board of education to expend the school district's funds for any purpose after the end of the fiscal year in which grades one through eight or one through twelve have been dispensed with except in payment of legal transfer fees, bond and property insurance premiums, utilities, salary of the clerk of the board of education, audit expenses, and the expenses necessary for the preservation and maintenance of school property; provided, that a board or boards of education receiving the annexed district shall have one (1) year after annexation to sell or convey the title of land and buildings to a nonprofit corporation to be used for community purposes after the same has been approved by a majority of the electors of the annexed district, present and voting, at an election called for such purpose; provided, that when such use ceases, the title to said land and buildings shall be vested in the receiving district or districts which shall be evidenced by resolution of the annexed district.
Okla. Stat. tit. 70, § 7-107