The document summarizes key legislation and court cases impacting special education services. It describes the Education for All Handicapped Children Act (PL 94-142) of 1975 which established free appropriate public education, least restrictive environment, IEPs, and due process. It also outlines subsequent laws like the IDEA, No Child Left Behind Act, and the Every Student Succeeds Act, which reauthorized and amended special education policy. The document also reviews assessment and identification processes, components of IEPs and service delivery models like inclusion, mainstreaming, and least restrictive environment.