Amends GS 115C-431 to repeal language that would have allowed a dispute between a board of education and a board of county commissioners about the sufficiency of education funds to enter mediation and then be appealed to the courts. Provides that the decision of the county commissioners is final. Prohibits the local board of education from filing any legal action challenging the sufficiency of the funds appropriated by the board of county commissioners. Makes conforming change to GS 115C-432(a). Effective when it becomes law and applies beginning with budget ordinances adopted on or after that date.