The parents asked the court to consider their case challenging a state cap on the amount of local property tax money that the district can spend on education. The court’s decision Monday not to hear the case leaves in place a decision from the U.S. Appeals Court in Denver. The appeals court ruled in June that the federal court couldn’t override the state’s funding plan

At issue is a 2010 lawsuit arguing that the state could not limit local school district funding because it creates a new inequality that punishes school districts. The parents also argued that the funding restrictions violated their federal constitutional rights.