For more than 40 years, policymakers have committed to supporting the education of students with disabilities, who have grown as a share of all students in the United States (Snyder, de Brey, & Dillow, 2016). Beginning with landmark legislation in 1975, the U.S. Congress mandated that students with disabilities have access to a free and…

For more than 40 years, policymakers have committed to supporting the education of students with disabilities, who have grown as a share of all students in the United States. Beginning with landmark legislation in 1975, the U.S. Congress mandated that students with disabilities have access to a free and appropriate public education and provided…

Measures of student disadvantage--or risk--are critical components of equity-focused education policies. However, the risk measures used in contemporary policies have significant limitations, and despite continued advances in data infrastructure and analytic capacity, there has been little innovation in these measures for decades. We develop a new…

As public schools, charter schools are legally required to educate all students regardless of the difficulties they bring with them into the classroom. Nonetheless, many are concerned that the charter sector fails to educate all comers. Charter schools are often criticized for not enrolling similar proportions of students with disabilities as are…

The literature seems limited in what is known about conceptual processes that underlie evolution of students with learning disabilities (SLD) conceptions of fractions. This exploratory study examines how a foundational scheme of unit fractions (1/n) may evolve through the mathematical activity of two fifth grade girls. We analyze data segments…

Professional development is a necessary component of maintaining competency in professional practice. Technology has opened the door to new formats for delivering professional development, in addition to more traditional modes of training. This study compared three professional development formats for improving the quality of standards-based…

This study investigated the extent to which student performance and teacher perception of student performance affect placement in eighth-grade mathematics classes for students with disabilities. Authors used the Early Childhood Longitudinal Study--Kindergarten dataset to investigate how each of the following factors predicted placement in…