In this study, we describe long-term trends in students' academic performance, documenting persistent and systematic disparities in academic outcomes across several student subgroups. We leverage administrative data from longitudinal student records to examine academic outcomes for English learners (ELs), students with Individualized Education…

We used time-varying effect modelling of two very large samples of fourth-grade students (N[subscript reading] = 148,240, N[subscript mathematics] = 152,220) to investigate associations between adoption and over-time implementation of a de facto cap on special education service receipt and over-time likelihoods of disability identification from…

Students with disabilities often struggle with grade-level mathematics without appropriate support and accommodations. This study compared the performance of middle school students with disabilities on computational-based mathematics assessments when they had access to calculators and when they did not. Using a single-case ABAB design, data were…

Multidisciplinary teams are responsible for identifying reasonable accommodations that mediate the impact of a disability and level the playing field between those with and without disabilities on high-stakes mathematics assessments. However, minimal guidance is provided to teams selecting accommodations. This article provides a decision framework…

This is the 22nd report by the National Center on Educational Outcomes (NCEO) that describes how states publicly report assessment data for students with disabilities in K-12 schools in the United States. The purpose of this report is to examine the extent to which states reported 2018-19 assessment data for students with disabilities "to the…

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…

The Individuals with Disabilities Education Act mandates that students with disabilities be provided the necessary special education and related services that will allow them the benefit of a free and appropriate public education. Individualized Education Programs (IEPs) are the product of a team planning process that facilitates the coordination…

Austin Independent School District used $16 million in federal funds to support 25 ARRA IDEA projects to reduce the student academic achievement gap, reduce disproportionality, reduce dropout, improve district processes, improve teacher quality, and evaluate programs.