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Accessible Teaching, Learning, and Assessment Systems (ATLAS)

Improving the learning landscape for all students.


Explore Accessible Teaching, Learning, and Assessment Systems

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Our Programs

Read more about each ATLAS program and discover how they are impacting our communities.
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Our Staff

Learn more about our staff and ATLAS researchers.
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Our News

Read more about ATLAS in the current News.

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ATLAS promotes learning and improved outcomes for all students.

We create technology-based learning and assessment systems that are accessible and academically rigorous. Our center serves all students, including students with disabilities and struggling learners, as well as their educators.


Drawing on expansive student data, the National Center on Deaf-Blindness (NCDB) and Accessible Teaching, Learning, and Assessment Systems (ATLAS) collaborated to produce a 2021 technical report, Students with Significan

Thompson, W.J., Nash, B., Clark, A.K. and Hoover, J.C. (2023), Using Simulated Retests to Estimate the Reliability of Diagnostic Assessment Systems. Journal of Educational Measurement.

Abstract As diagnostic classification models become more widely used in large-scale operational assessments, we must give consideration to the methods for estimating and reporting reliability.