Below are resources specific to national data.
National Dispute Resolution Data Summary - Updated December 2018: The purpose of this summary is to provide an historical look at dispute resolution data and to assist with the identification of trends and changes in the use of the IDEA dispute resolution processes over time.
SPP/APR Indicator Summary and Analysis: These documents contain the 2016 (FFY 2014) SPP/APR Analyses for the Dispute Resolution Indicators (B15 & B16 and C9 & C10). For the complete 2016 Analyses completed by OSEP-funded Technical Assistance and Dissemination projects visit OSEP's GRADS 360 SPP/APR Resources webpage.
Trends in Dispute Resolution under the IDEA - Updated December 2018: This one page CADRE document details recent trends in the use of dispute resolution procedures to resolve special education disagreements.
IDEA Data Briefs: Due Process Complaints/Hearings, Written State Complaints, Mediation - This series of briefs examines eleven years of IDEA dispute resolution activity, concluding in 2014-15.