Washington Revised Code Title 28A. Common School Provisions § 28A.335.060. Surplus school property--Rental, lease, or use of--Disposition of moneys received from

(a) Moneys required to be expended for general maintenance, utility, insurance costs, and any other costs associated with the lease or rental of such property, which moneys shall be deposited in the district's general fund; or

(b) At the option of the board of directors, after evaluating the sufficiency of the school district's capital projects fund for purposes of meeting demands for new construction and improvements, moneys derived from the lease or rental of real property may be deposited into the district's general fund to be used exclusively for nonrecurring costs related to operating school facilities, including but not limited to expenses for maintenance;