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 (c) 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.