Discover the full potential of NBME® Customized Assessment Services (CAS)
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CAS can do more for your program than you might think
Your program may already use NBME® Customized Assessment Services (CAS) to build flexible, high-quality exams. But many schools discover that exam building is just the beginning. Programs are using CAS to support formative assessment, strengthen alignment between curriculum and testing and gain deeper insight into student performance.
With access to vetted NBME items, customizable exam blueprints, student-level data and practical implementation resources, faculty can spend less time managing the assessment process and more time using results to support teaching and learning. Schools are using CAS in a variety of ways, from low-stakes quizzes and course exams to year-end assessments that help identify learning gaps and guide student support.
Whether you're looking to expand CAS into additional courses or get more value from the tools you already have, there are opportunities to do more. Explore how other institutions are using CAS and see what's possible for your program.
3 ways schools are using CAS

Midterm or final exam
Helps faculty build secure exams that align with curriculum and reflect what students are learning.

Low-stakes quizzes
Supports flexible, formative quizzes that track progress and help uncover knowledge gaps.

Custom exams at end of year 1
Comprehensive year-end exams help measure foundational knowledge and identify at-risk students.

Strengthen your program with guided video support
The CAS Video Tutorial Library is another way schools are getting more out of CAS. With step-by-step guidance on tools like the CAS Practice Option and Blueprint Builder, the resources available in the video library are designed to help build your program and help students succeed.
How expanding CAS use led to real results
When other institutions put CAS to work in different ways, the benefits were significant.

Simplified assessment, meaningful data
One U.S. medical school replaced a laborious faculty-written exam process with CAS across nearly all of its pre-clerkship curriculum — reducing post-exam disputes, unlocking student-level performance data and building the kind of evidence base that drives real curricular change.

Improved engagement with the CAS Practice option
Albany Medical College increased student participation in optional quizzes from about 25–30 students to approximately 120 students (out of 145) per class with the implementation of the CAS Practice option, while also supporting effective teaching and assessment, and improving student study strategies.


