How to Get Your CNA Certification in Idaho (ID): 2026 Guide

Becoming a Certified Nurse Assistant in Idaho is a straightforward, four-step path: finish a 120-hour state-approved training program, pass a Prometric-administered competency exam, get listed on the Idaho Nurse Aide Registry, and walk into your first shift. This guide walks you through every step, from picking a training program in Boise, Twin Falls, or Pocatello to understanding what Prometric actually tests you on, plus the quirks that trip up first-time Idaho test takers (spoiler: there's no annual renewal fee, but you do need to keep your address current with the registry). We'll also flag the cities where regional test sites currently run and how to schedule through Prometric's Idaho portal.

Idaho CNA at a glance

• State credential: Certified Nurse Assistant (CNA), listed on the Idaho Nurse Aide Registry
• Vendor: Prometric (administers both the written/oral and skills portions)
• Training hours required: 120 hours (theory + clinical combined; breakdown not specified by the state)
• Exam format: Two-component NNAAP-style exam — a written (or oral) knowledge test and a manual skills evaluation
• Idaho state application fee: Contact the Idaho Nurse Aide Registry for the most current fee
• Prometric testing fee: Contact Prometric for the most current fee
• Background check: Required and arranged through the state-approved training program / registry process
• Registration lead time: Several weeks — schedule your exam date as soon as you finish training, since regional test sites in Idaho don't run every week

Who oversees CNA certification in Idaho

CNA certification in Idaho is administered through the Idaho Nurse Aide Registry, which sits under the Idaho Department of Health and Welfare. The Registry maintains the official list of active CNAs, processes new applications, and handles reciprocity for CNAs moving into Idaho from another state. If you have questions about your eligibility, certificate status, or renewal cycle, the Registry is your first stop — and you'll find current contact information and program guidance on the Idaho Department of Health and Welfare's Certified Nurse Assistant page.

Training programs in Idaho

Idaho requires 120 hours of combined classroom and clinical training before you're eligible to sit for the Prometric exam. That total is split between theory instruction and supervised hands-on clinical time, but the state does not publish a fixed hour-by-hour breakdown — your program's curriculum defines the split, so ask each school how their hours divide. Programs are offered at community colleges, technical schools, nursing facilities, and some high-school-based health academies across the state.

Program counts shift frequently as facilities open and close cohorts, so rather than quoting a number we can't verify, head to the Registry page linked above for the current list of approved training providers. Typical Idaho CNA programs run 4 to 8 weeks full-time, with part-time and weekend options in larger cities like Boise. Plan on roughly $400 to $1,200 in total costs covering tuition, textbooks, uniforms, the BLS/CPR card, and the state background check — exact totals vary by site. Once you finish training, your program submits your completion paperwork directly to the Registry, which then issues your eligibility record to Prometric so you can register for the exam.

If you're still weighing whether Idaho is the right state to certify in, our general study guides walk through how to compare programs side by side.

The CNA exam in Idaho: Prometric details

Idaho uses Prometric as its exclusive testing vendor. The Prometric Idaho CNA exam follows the standard National Nurse Aide Assessment Program (NNAAP) structure: a multiple-choice knowledge test and a hands-on skills evaluation. The knowledge portion is offered in both written and oral formats — if you struggle with reading-heavy English, request the oral version when you register, since it switches the questions to audio but keeps the same content. The skills portion sets up five randomly selected nurse aide tasks that you perform on a live actor (or mannequin, depending on the skill) while a Prometric evaluator watches and scores you against a published checklist.

You register for both components through Prometric once your training-program completion is on file with the Idaho Nurse Aide Registry. Plan to schedule at least a few weeks ahead — Idaho runs its exam at regional sites rather than on demand, and seats fill up around program graduation cycles (spring and late summer tend to be tightest).

How much does the Idaho CNA exam cost?

The Idaho CNA exam has several layered costs, and the precise dollar amounts shift periodically, so the safest move is to confirm current figures on the Registry page before you pay anything.

• State application / Registry processing fee: Contact your state registry for the most current fee
• Prometric testing fee (written/oral + skills): Contact Prometric for the most current fee
• Retest fee (per component): Contact Prometric for the most current fee — failing one part means paying again only for the part you missed
• Background check: Often folded into your training program's tuition; verify with your school
• BLS / CPR card: Sometimes included in training; if separate, expect a small additional fee from an AHA-aligned provider

A typical first-attempt Idaho CNA lands somewhere in the $100 to $300 combined range across state and vendor fees, but treat that as a planning anchor, not a quote — confirm the exact total with the Registry and with Prometric before you register.

Where to take the test in Idaho

Idaho doesn't have daily Prometric test sites the way larger states do. Instead, the exam runs on a rotating regional schedule at host facilities across the state. The cities below are the ones where Idaho has historically hosted regional test sites, with verified site details where the fact-card includes them:

• Boise — 1755 N Westgate Drive, Suite 130, Boise, ID 83704. A primary regional site; call the Registry to confirm cadence.
• Twin Falls — College of Southern Idaho, 215 Falls Avenue, Meyerhoeffer Library Bldg, Room 230, Twin Falls, ID 83301. Regional site hosted at CSI.
• Pocatello — Idaho State University, 1556 E Terry St, Pocatello, ID 83844. Regional site hosted at ISU.
• Idaho Falls — Regional test site; call the Registry to confirm cadence and host address.
• Lewiston (Lewis-Clark State College) — Regional test site; call the Registry to confirm cadence.
• Coeur d'Alene — Regional test site used primarily for training programs; call the Registry to confirm exam cadence.

To book, create a Prometric account once your program completion has been reported to the Registry, pick the closest regional site, and grab the earliest seat that lines up with your schedule. Seats disappear around cohort graduation, so register the day your program tells you you're eligible.

Scheduling and what to bring on test day

Idaho lets you schedule the written/oral and skills components on the same day at many regional sites, but some sites split them across two dates — confirm the format when you register so you don't show up expecting both and walk out having only done one. Bring two forms of government-issued ID (one photo ID such as a driver's license, plus a second ID like a Social Security card or passport), your Prometric admission notice, and your training-program completion confirmation if Prometric asks for it on paper.

Wear closed-toe, non-skid shoes and scrubs or plain clothes you can move in — the skills evaluation involves lifting, transferring, and repositioning, so dressing for safety matters more than dressing for style. Arrive 20 to 30 minutes early; Prometric routinely turns candidates away for late arrival and charges a rebook fee. Leave your phone, smart watch, notes, and study materials in your car. The skills component is graded in real time by a Prometric evaluator, and you typically get your written results the same day, with skills results posted shortly after.

After you pass: Idaho certification and renewal

Once you clear both exam components, Prometric reports your pass directly to the Idaho Nurse Aide Registry. Your CNA certificate is mailed from the Prometric contractor — that's one of the small Idaho quirks: the actual wall card arrives from the testing vendor, not from the state. Processing and mailing typically takes a few weeks, so don't panic if your card isn't in your mailbox the day after you test; you can also verify your active listing on the Registry before your physical certificate arrives, which is useful when an employer wants proof on day one of work.

Idaho does not charge a renewal fee, and your CNA status stays active as long as you remain in good standing and work at least one paid day of nurse aide work in a recognized setting in a recent timeframe (federal rules apply — your employer and the Registry can confirm current requirements). The Registry sends renewal notices before expiration; keep your mailing address and contact info current with them so those notices actually reach you. If your certification lapses, you'll likely need to retest rather than just pay a late fee, so don't let the renewal window slip.

Common pitfalls specific to Idaho

• Forgetting to register with Prometric after training. Your program reports completion to the Registry, but you still have to create a Prometric account and book a seat — these are two different steps.
• Assuming same-day written + skills. Some Idaho regional sites still split the components across two dates; verify the schedule for your specific site before booking travel.
• Mailing address goes stale. No renewal fee doesn't mean the Registry will chase you — if your notice bounces, you'll miss your window and end up retesting.
• Showing up without two IDs. Prometric is strict on identification; one form isn't enough, even if you're well-known to your training instructor.
• Assuming Coeur d'Alene runs every cohort. The Coeur d'Alene site is primarily a training site; exam cadence varies — call the Registry to confirm before booking.

FAQ

How long does it take to become a CNA in Idaho? Most full-time Idaho training programs run 4 to 8 weeks for the 120 required hours, plus an additional few weeks for scheduling and passing both Prometric exam components. Plan on roughly 2 to 3 months from your first day of class to having an active Registry listing.

How much does the CNA test cost in Idaho? Combined state and Prometric fees are a few hundred dollars for a first attempt, but the state and vendor do not publish a single fixed total — contact the Idaho Nurse Aide Registry and Prometric directly for the current fee schedule.

Can I challenge the Idaho CNA exam without training? No. Idaho requires completion of a 120-hour state-approved training program before you're eligible to sit for the Prometric exam, and your program must submit your completion record to the Registry before Prometric will let you register.

Does Idaho require a background check? Yes. A criminal background check is part of the eligibility process. Your training program typically coordinates this and folds the cost into tuition, but confirm the details with your specific school.

How do I renew my Idaho CNA certification? Idaho does not charge a renewal fee. The Registry will mail you a renewal notice; respond before expiration and confirm you've met the work requirement. If your certification has already lapsed, contact the Registry about retesting rather than renewing.

Practice questions for the Idaho CNA exam are at /exam and clinical-skills walkthroughs are at /skills.