There has been a paradigm shift from accommodations to the identification of levels of accessibility (e.g., universal features, designated features, and accommodations). A consequence of this shift is that many students with disabilities who previously were assigned accommodations now access many of them as universal or designated features. This…

This Brief provides an overview of how students' insights on the usefulness and feasibility of various accessibility features and accommodations should be taken into account when identifying accessibility features and accommodations for instruction and assessment. Students are often the best source of information about their strengths and needs,…

Research on test accommodations provides valuable information that informs policy and practice. This report presents a synthesis of the research literature published in 2022 on testing accommodations for U.S. elementary and secondary students (K-12). The National Center on Educational Outcomes (NCEO) has reported on accommodations research since…

To help ensure that assessments are properly administered, states have developed policies about who can administer or proctor assessments, and the training they must have. This report presents the findings of our analysis of states' 2021 policies on the qualifications and requirements for test administrators, proctors, and accommodations providers…

There continues to be confusion among some educators and staff in State Education Agencies (SEAs) and Local Education Agencies (LEAs) about what is an accommodation and what is a modification. This confusion about accommodations and modifications happens in how these words are used in both instruction and assessment. The confusion is further…

This report highlights the findings of the sixteenth survey of states conducted by the National Center on Educational Outcomes (NCEO). It has been administered for more than three decades to collect information from states about the participation and performance of students with disabilities in the assessments that comprise the comprehensive…

This report provides an update on the state of the research on testing accommodations. Previous reports by the National Center on Educational Outcomes (NCEO) have covered research published since 1999. In this report, we summarize the research published in 2019. During 2019, 11 research studies were published on the topic of testing accommodations…

The purpose of this report is to provide a synthesis of the research on K-12 testing accommodations. In this report, we summarize the research published in 2017. Previous reports by NCEO have covered research published since 1999. During 2017, 14 research studies were published on the topic of testing accommodations in the elementary and secondary…

The purpose of this report is to present a synthesis of the research on test accommodations for U.S. elementary and secondary students (K-12) published in 2018. The academic literature described here encompasses empirical studies of performance comparability, investigations into accommodations use, implementation practices, and perceptions of the…

This Brief provides an overview of issues related to the inclusion of students with disabilities and English learners with disabilities in early grade (that is, K-2) assessments and offers strategies for improved practices.

The National Center on Educational Outcomes (NCEO) held a virtual meeting of an Interim Assessment Advisory Panel on February 16 and 17, 2021, to tap into the panel members' collective knowledge about using interim assessments to support valid interpretations of what students with disabilities know and can do. The panel represented…

This report is an update of the assessment principles and guidelines for English language learners published in 2013 (Thurlow, Liu, Ward, & Christensen). That report, which was developed by the Improving the Validity of Assessment Results for English Language Learners with Disabilities (IVARED) project, presented essential principles of…

This report presents the findings of a study aimed to address the gap between policy and practice for speech-language pathologists (SLPs) who serve students identified with a speech-language impairment, including other co-existing disabilities. The following research questions were addressed: (1) What factors influence how SLPs make accessibility…

To evaluate the experiences that teachers and other decision makers were having with accessibility features and accommodations, as well as their attitudes toward them, an online survey was conducted with educators in nine states. These states were part of an Enhanced Assessment Initiative grant project to promote optimal decision making about…

In 2015, the Data-Informed Accessibility--Making Optimal Needs-based Decisions (DIAMOND) project received funding from an Enhanced Assessment Initiative grant to collect information that would support the development of professional development modules for educators making decisions within new accessibility frameworks. More accessibility features…