This book provides a primer on the (a) dispute resolution system of the Individuals with Disabilities Education Act (IDEA), (b) the U.S. Department of Education, IDEA and Section 504 of the Rehabilitation Act, and © online resources to locate special education law. The book also provides a presentation of all policy letters on special education issued by the U.S. Department of Education in 2020 and a synopsis of all special education cases heard by the U.S. Court of Appeals in 2020 brought under the Individuals with Disabilities Education Act (IDEA) and Section 504.