Castle Worldwide

Castle is an accomplished full-services certification and licensure testing company. Castle offers a variety of competency-based testing, training, and high-stakes certification programs that allows test takers to excel in their chosen professions. Due to the vast number of exams, please visit Castle to see a complete list of offerings.



To register, visit Castle. To find out how to register and schedule for an organization’s exam or see if sample tests are offered, click "learn more" to the right of the organization’s name and acronym.

On Exam Day:

  • Testing candidates must bring to the test center one current, government-issued ID printed in English, in the name in which he or she registered, bearing his or her photograph and signature. Name change documentation and marriage certificates will NOT be accepted.

  • For non-UCO students, bring money for the visitor parking lot. The kiosks accept credit/debit cards. If you bring cash, please be aware the machines do not distribute change.

  • Check in time will begin 20 minutes before the scheduled time of the exam. Late arrivals will not be admitted.

Prohibited Items: This list includes, but is not limited to, cell phones, purses, hats, watches, fitbits, glasses with built in electronics, or any other electronic devices. If a testing candidate arrives at the testing center possessing any of these items, they must present a secondary ID (student ID, club membership card, etc.) bearing the name in which they registered, in addition to their government-issued ID, in order to store them in a locker provided by the testing center.


Thatcher Hall, Room 319.

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