Testing Services Castle Internet-Based Testing Sites

Please note: These lists include the full list of Castle on-demand testing sites; however, not every site will be available for every testing window. Once you are approved to take an exam you will receive a web link with your notice to schedule that lists specifically which sites, dates, and times are available during the testing window for which you are scheduling.

• United States Locations
• International Locations

US Locations

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International Locations

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• Secure Systems Sophisticated Castle technologies and testing practices protect your candidates, your programs, and your content investments.


• Glossary Find definitions for the specialized terminology commonly used in the testing industry.


• Resources Find quick links to professional associations, third-party certification bodies, and other highly useful industry organizations.