Purpose: Developmental language disorder (DLD) is a lifelong condition that when impacting educational performance is identified and serviced through U.S. schools as outlined in the Individuals with Disabilities Education Act. A few examples of educational categories that refer to DLD are (a) speech or language impairment (S/LI) and (b) specific…

The least restrictive environment (LRE) mandate suggests a preference for educating students with disabilities in general education settings provided their needs can be met there. This study examined national trends in the educational placements of students with disabilities ages 6 to 17 in the 50 states and the District of Columbia from 1990…

This study used a statewide longitudinal sample to examine mathematics achievement gaps and growth in students with and without disabilities and to examine the impact of different methods of determining disability group membership on achievement gaps and growth. When disability status was determined on the basis of special education placement each…