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The IDEX® California Exam Schedule

March 1 is the deadline to apply for the May IDEX

August 1 is the deadline to apply for the October IDEX


The IDEX®California exam is given during two full months of the year (in May and in October).

To take the IDEX®California exam you must first apply for Certification on the CCIDC Web site.
Passing the exam will not make you a Certified Interior Designer. You still have to meet CCIDC’s other requirements under their path system.

Go to CCIDC.org to apply for the IDEX and apply to become a Certified Interior Designer.

If you don’t meet the above deadlines, you cannot take the exam until the next time it is given. By that time, you should have already applied for certification and completed your paperwork.

What is the IDEX® California Exam?

IDEX is an acronym for interior design examination. It is the official and only exam required to become a Certified Interior Designer in the state of California.

The exam was first written by Castle Worldwide, Inc. (now SCANTRON) for the California Council for Interior Design Certification (CCIDC).

IDEX®California exam is comprised of 150 multiple-choice questions, it is closed book and you are given 3 hours in which to take the exam. Candidates need to get 99 questions correct in order to pass the exam. Note: The cut score is subject to change periodically. Contact CCIDC for more information.

The exam and certification fee is listed on the CCIDC site:
 “How to Become a Certified Interior Designer”.


Who should take the IDEX®California exam?

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IDEX®California is an exam  to become a CID (Certified Interior Designer). IDEX Prep is an authorized partner with IDEX® California and CCIDC. Header adapted from Lisa Sabin-Wilson’s xMark theme