Below are resources specific to national data.
National Dispute Resolution Data Summary (August 2025): The purpose of this summary is to provide a 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.
Trends in Dispute Resolution under the IDEA (August 2025): This CADRE resource details recent trends in the use of dispute resolution procedures to resolve special education disagreements.
CADRE's National DR Data Dashboard (Updated August 2025): CADRE developed a National DR Longitudinal Database to gain a historical perspective of DR data to assist with the identification of trends and changes in the use of the IDEA DR processes over time. CADRE's National DR Data Dashboard provides users the ability to access this database to compare national and state DR data from 2004 to the present. Annual updates are released by OSEP, generally in the fall, for the previous year's school term.