The money raised by the levy provided in § 13-11-9 shall be used to fund any budget expense of the sending district, and the remaining balance shall be paid by the county treasurer on a pro rata basis for each child to the business manager for the adjoining in - state school district that is providing the educational services to the children of the sending school district pursuant to § 13-15-1.3 . Source: SL 1991, ch 137 , § 5; SL 1992, ch 117 , § 3.