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CNA California (Trợ lý Y tá Có Chứng nhận) pass rate & how retakes work

Quick answer

There is no national CNA pass rate, because there is no national CNA exam. Every state runs its own nurse-aide competency evaluation through its own vendor, and whether a pass rate is published depends entirely on which state you are testing in. California's regulator, CDPH, does not publish one.

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Is there a published CNA California (Trợ lý Y tá Có Chứng nhận) pass rate?

The CNA credential is issued state by state under the federal nurse-aide requirements, and each state contracts its own testing vendor — Credentia (NNAAP), Prometric, D&SDT-HEADMASTER and others. A number computed across all of them would be an average of different exams, different vendors and different skills lists, which is why you should distrust any single national "CNA pass rate" figure.

For California, we read CDPH's Certified Nurse Assistant page in September 2026. It publishes the certification requirements, the application and renewal forms, the approved training programs and the statute (Health and Safety Code §1337–1338.5) — and no exam statistics of any kind. We found no CDPH-published statewide pass rate. That is what we could verify; it is not a claim that CDPH holds no such data internally.

Some states do publish, and publish well. The Minnesota Department of Health posts quarterly and end-of-year nurse-aide test results for every approved training program, giving the number of candidates and the pass rate for both the knowledge test and the skills test. If you are testing outside California, your own state registry is the first place to look — it is far more likely to have a real number than any prep site.

What we read, and when we read it — checked by hand, not inferred from prep-industry write-ups: CDPH — Certified Nurse Assistant (California Department of Public Health) →Minnesota Department of Health — Nurse Aide Registry: Training Program Test Data (an example of a state that does publish) →

CNA California (Trợ lý Y tá Có Chứng nhận) facts

Allowed
retakes

How many times can you retake the CNA California (Trợ lý Y tá Có Chứng nhận) exam?

There is generally no fixed lifetime cap. Here is how retakes work:

  • If you don't pass, you can retake the exam. Each attempt generally requires registering (and paying any exam fee) again.
  • The exam authority sets the retake policy, including any required waiting period between attempts. Confirm the exact wait on the official site before you rebook.
  • You can prepare between attempts with free practice — PrepPass has 200+ free CNA California (Trợ lý Y tá Có Chứng nhận) practice questions with explanations.
How hard is the exam, really?

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Frequently asked questions

What is the CNA California (Trợ lý Y tá Có Chứng nhận) pass rate?+

There is no national CNA pass rate, because there is no national CNA exam. Every state runs its own nurse-aide competency evaluation through its own vendor, and whether a pass rate is published depends entirely on which state you are testing in. California's regulator, CDPH, does not publish one. The CNA credential is issued state by state under the federal nurse-aide requirements, and each state contracts its own testing vendor — Credentia (NNAAP), Prometric, D&SDT-HEADMASTER and others. A number computed across all of them would be an average of different exams, different vendors and different skills lists, which is why you should distrust any single national "CNA pass rate" figure.

What happens if you fail the CNA California (Trợ lý Y tá Có Chứng nhận) exam?+

You can retake it. The authority may require a waiting period between attempts, so check the official page for the current rule. Between attempts, you can keep working through practice questions until you consistently clear the standard you need.

Last updated: September 2026 · sources above last read by hand that month

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