You can do much of the work of becoming a CNA online, but not all of it. The steps are the same everywhere: finish a state-approved nurse aide program, pass your state's competency exam, and get listed on its nurse aide registry. The classroom lessons, the paperwork, exam registration and registry checks can usually be done online; the supervised clinical training (at least 16 hours under federal rules) and the skills test are in person (42 CFR 483.152, 483.154).
The steps at a glance
| Step | What you do | Online? |
|---|---|---|
| 1. Check your state's rules | Find the required hours and the list of approved programs | Yes |
| 2. Choose an approved program | Compare hybrid and classroom programs, apply | Yes |
| 3. Complete the training | Theory, skills lab, supervised clinical hours | Theory, where your state allows; skills and clinicals in person |
| 4. Register for the exam | Apply to your state's testing provider, pay the fee | Usually |
| 5. Pass the competency exam | Written or oral test, plus a skills demonstration | Skills test in person; some states offer the written test online |
| 6. Get on the registry | Your state lists you; employers look you up | Look-up, yes |
| 7. Keep your listing active | Work as a nurse aide for pay, renew as your state requires | Renewal, often |
Step 1: Check your state's requirements
Federal rules set the floor: at least 75 hours of training, with at least 16 hours of supervised practical training (42 CFR 483.152). Many states require more. Illinois, for example, requires 120 hours: 62 of theory, 18 of lab skills and 40 of clinical instruction (77 Ill. Adm. Code 395.150, effective Dec. 2, 2024). Your state's health department or nurse aide registry publishes its hours and its list of approved programs.
Step 2: Choose an approved program
Only a program on your state's approved list makes you eligible for the exam. When you compare programs, ask how many hours are online, where the clinical shifts are, what the price includes, and whether the program registers you for the exam. If a nursing home that takes Medicare or Medicaid employs you, or has offered you a job, when the program starts, it can't charge you for it (42 CFR 483.152(c)); see free CNA training.
Step 3: Complete the training
In a hybrid program you study the theory online: communication, infection control, safety and emergency procedures, residents' rights, basic nursing skills, personal care, mental health needs and dementia care. The first 16 hours, on communication, infection control, safety, residents' independence and residents' rights, come before you have any contact with a resident. Then you practice skills in a lab and care for residents in a facility, supervised by a registered nurse or licensed practical nurse (42 CFR 483.152(a)–(b)).
You may be able to work while you train: a nursing home can employ you full time as a nurse aide for up to 4 months while you complete an approved program and the competency evaluation (42 CFR 483.35).
Step 4: Register for the competency exam
Each state contracts a testing provider, such as Credentia, Prometric or Headmaster, and you register and pay through it, usually online. Your program tells you when you are eligible; in Illinois, for example, you get three chances to pass the written exam within 12 months of finishing an approved program (77 Ill. Adm. Code 395.400).
Step 5: Pass the written (or oral) test and the skills test
Federal rules let you choose a written or an oral exam, and require a demonstration of randomly selected nurse aide skills. You must pass both parts, and your state must give you at least three tries (42 CFR 483.154). The skills test is always in person; in Tennessee, for example, the 75-question knowledge exam can be taken online or at a test center (Credentia, Tennessee nurse aide exam overview).
Step 6: Get listed on your state's nurse aide registry
When you pass, your state adds you to its nurse aide registry within 30 days (42 CFR 483.154(e)). Nursing homes must check the registry before they let you work as an aide (42 CFR 483.35), and most registries let anyone look up a listing online.
Step 7: Keep your certification active
If you go 24 consecutive months without doing nursing or nursing-related work for pay, you must complete a new training and competency evaluation program, or a new competency evaluation, before a nursing home can employ you as an aide (42 CFR 483.35). While you work, your employer must give you at least 12 hours of in-service training a year (42 CFR 483.95(g)). States add their own renewal rules, and many handle renewal online.
Frequently asked questions
Can I become a CNA completely online?
No. The theory can be online where your state allows it, but the supervised clinical training and the skills test are in person.
How long does it take to become a CNA online?
As long as your state's required hours take, plus time to schedule the exam. At the 75-hour federal minimum, a full-time program can be done in a few weeks.
Do I need to be certified to work as a nursing assistant?
To work as a nurse aide in a nursing home for more than 4 months, yes: federal rules require you to complete an approved program and pass the competency evaluation within that time.
Sources
- 42 CFR 483.152, Requirements for approval of a nurse aide training and competency evaluation program (eCFR, current text, viewed November 2026)
- 42 CFR 483.154, Nurse aide competency evaluation (eCFR, current text, viewed November 2026)
- 42 CFR 483.95, Training requirements (eCFR, current text, viewed November 2026)
- 42 CFR 483.35, Nursing services (Code of Federal Regulations, edition of October 1, 2025)
- 77 Ill. Adm. Code 395.150, Minimum Hours of Instruction (effective December 2, 2024) and 395.400, Competency Examination (effective March 25, 2025)
- Tennessee Nurse Aide Exam: Exam Overview (Credentia, the state's testing vendor since June 1, 2026; undated page, viewed November 2026)
Last reviewed November 2026. ThinkCNA doesn't run courses; the form matches you with schools near you.