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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.

Learn more about the AEM Center

Why accessible materials & technologies?

Accessible versions of educational materials may mean the difference between learning barriers and learning opportunities.

Start a conversation with our video series


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.

Learn more about NIMAS & NIMAC

Learning on the Go: ADA Title II Updates and Requirements

In April 2024, the United States Department of Justice issued a final rule requiring state and local governmental entities — including early childhood, elementary, secondary, and postsecondary institutions — to ensure web- or mobile app-based digital learning resources are appropriate for and usable by students with disabilities.

Learn more about the final rule

Featured AEM Center Resources

Learn more about AEM Center resources

AEM Takeaways logo

AEM Takeaways

Dive into the AEM Takeaways series for quick, exciting lessons on accessible materials and technology! Watch short videos where AEM experts break down terms and practices, then get real-world insights from field professionals. Plus, explore extra resources to supercharge your training in schools, universities, or any setting you choose!

View the series


Creating NIMAS Files

Practical information about creating a NIMAS fileset for publishers and conversion houses.

AEM Center at CAST


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.


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

The Accessible Learning Experience | CAST, Illustrations of a microphone, sound waves, digital text, and wifi

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.

Listen to the podcast

Upcoming AEM Center Events

Learn more about AEM Center events


Designing Inclusive Technology Systems: We Have Our CITES on AEM

Educators, learners, and families are using inclusive technology to scaffold and support everyday learning tasks. So how do we design inclusive systems that promote these inclusive educational practices? This session will provide you with a roadmap for supporting UDL implementation with inclusive technologies and materials. Walk away equipped with the resources to design technology ecosystems of the future.

12:45PM – 1:45PM PT on Wednesday, July 31, 2024


The 3 AEMigos: The Synergy Between AT, Accessible Materials, and Technology

In this session, participants delve into the interplay between Accessible Educational Materials (AEM), Assistive Technology (AT), and classroom technology. Expect clarity on their distinctions, real-world examples of collaboration, and actionable strategies for educators. By the end, attendees will grasp how AEM, AT, and technology synergize to empower students with disabilities, fostering an inclusive and equitable learning environment.

11:20AM – 12:20PM CT on Wednesday, October 23, 2024


Reframing Perspectives: Empowering Students with AT

Join this engaging session where experts from CAST and Minneapolis Public Schools (MPS) challenge misconceptions about accessible educational materials (AEM) and assistive technology (AT). Rather than considering these tools as cheating, we’ll explore how they foster Universal Design for Learning (UDL) and empower students. Through personal anecdotes and interactive discussions, we’ll reshape perspectives and champion accessibility in education.

8:00AM – 9:00AM CT on Thursday, October 24, 2024

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