States are required to report activity and performance on dispute resolution options to the U.S. Department ofCover of Due Process Complaint Data Brief Education’s Office of Special Education Programs (OSEP) annually. Data presented in these briefs on Due Process Complaints, Written State Complaints, and Mediation include dispute resolution data reported to OSEP by the states. This series of briefs examines eleven years of IDEA dispute resolution activity, concluding in 2014-15.