Okla. Stat. tit. 70 § 821.2
Any such independent school district is hereby authorized to acquire or construct within its corporate boundaries, one or more stadia, sport arenas or other recreational facilities or to build additions thereto or additions to existing stadia, sport arenas or other recreational facilities, including land and equipment therefor, and to own, maintain and operate, or to own and (in addition to any and all other uses to which this property may be placed and disposition which can be made of it) lease to, or cause to be maintained and operated by, a financially responsible operating company, corporation, or individual, experienced in similar types of business, or to own and lease to a responsible person, firm or corporation who shall construct, finance and operate one or more stadia, sport arenas or other recreational facilities, and when operated by the independent school district to charge fees, rent and tolls for the use of such facilities. Such independent school district is authorized to prescribe and enforce the fees, rent and tolls which are to be charged for such facilities by any lessee or operator thereof, as more fully provided in Section 6, and in addition to any and all other means to assure prompt payment of rentals by such lessee or operator, the independent school district may in the lease or operating contract reserve a lien on the money collected by the lessee or operator from such fees, tolls and other charges and revenue until the rental consideration for such current term of the lease or operating contract shall have been paid to the independent school district or its nominee. The right of the independent school district to own, maintain, operate and cause to be operated such facilities and to fix and collect fees, rent, tolls and other revenue for the use of such facilities is hereby declared to be a public right and use and such right and facilities to constitute a public benefit.
Okla. Stat. tit. 70, § 821.2