About the AEM Center
The National Center on Accessible Educational Materials for Learning at CAST provides technical assistance, coaching, and resources to increase the availability and use of accessible educational materials and technologies for learners with disabilities across the lifespan.
Why accessible materials & technologies?
Accessible versions of educational materials may mean the difference between learning barriers and learning opportunities.
NIMAS & NIMAC
NIMAS is a technical standard used by publishers to prepare “electronic files” that are used to convert instructional materials into accessible formats. NIMAC is a national center that stores NIMAS source files from publishers.
Featured AEM Center Resources
Learn more about AEM Center resources

The Accessible Learning Experience
Turn learning barriers into learning opportunities by exploring the world of accessibility and Universal Design for Learning in this monthly podcast.
Fair Use and Accessibility for Persons with Disabilities
This brief presents an overview of the “fair use” doctrine under copyright law in relation to the provision of accessible texts to persons with disabilities.
J. Karger
2020
Open Education Resources: Ensuring Inclusive Learning in Uncertain Times
Situated at the intersection of where the OER field meets accessibility issues, this guide details a variety of resources useful for evaluating and selecting appropriate and accessible OERs.
A. Hashey, et al.
2021
AEM Navigator
Use the AEM Navigator to make informed, accurate decisions about the acquisition of accessible formats for students who need them.
AEM Center at CAST
2021

Our Impact by the Numbers
Learn more about how our work impacts states and individuals through our universal, targeted, and intensive technical assistance.
Upcoming AEM Center Events
Learn more about AEM Center events

Coordinating State and Local Systems for Providing Accessible Educational Materials (AEM)
The National AEM Center will share recommendations and resources from a cohort of seven states in their third year of creating coordinated statewide systems for providing AEM and technologies for learners with and without disabilities. You'll leave with tools to replicate these systems in your own settings.10:00AM – 11:00AM ET on Wednesday, June 28, 2023