Students with and without disabilities may be educated across various service delivery models (SDMs): general education, cotaught, pull-out, and self-contained. Still, evidence for their relative effectiveness at scale remains limited. Using longitudinal administrative data from Indiana, we measured the effect of different SDMs on test scores,…

Intellectually gifted students have the right to appropriately challenging learning experiences and the right to reach their potential. In Australia, most intellectually gifted students are in mixed-ability classes and teachers are expected to differentiate to meet the specific learning needs of students across the full range of abilities; yet…