Existing school funding systems have continued to be challenged in state courts. This report contains a summary of recently filed cases in Arizona, California, Kansas, New York, Texas, and Wyoming, together with a brief summary of federal court activity in Minnesota, Pennsylvania, and Texas. Comments are supplied concerning the risks of lawsuits challenging the states' educational finance systems within the context of their standards and accountability systems. An appendix contains a litigation summary with a case summary and status/details for 26 states for 1998-99. (DFR)