Little is known about the mathematical development of students with intellectual disabilities (ID) in inclusive classrooms. It is important to have a research-based understanding of the subject since inclusive education is becoming the norm in many countries, and an increasing number of students with an ID now attend mainstream schools. We…

Legislation mandates that students with disabilities be included in achievement testing for accountability purposes, with only a few participating in an alternate assessment (Individuals with Disabilities Education Improvement Act [IDEA], 2004). The current study utilized data from the Special Education Elementary Longitudinal Study (SEELS) to…