How to Get Your CNA Certification in Oklahoma (OK): 2026 Guide

Oklahoma has a dual-vendor system that can be confusing at first glance: the standard nurse aide competency exam is administered by Prometric, while the Long-Term Care Aide (LTCA) path runs through Headmaster/D&S Diversified Technologies. Some training programs let candidates choose between the two; others are tied to a specific vendor based on whether they prepare students for LTC facilities or general healthcare settings.

This guide explains both paths, what they cost, and where to test across Oklahoma.

Oklahoma CNA at a glance

• Testing vendor: Headmaster (LTCA path) or Prometric (standard nurse aide path)
• Training hours: 75 total (16 clinical minimum)
• Exam format: depends on vendor — typically 60–70 multiple-choice questions plus a 5-skill hands-on evaluation
• Exam fee: varies by vendor and site; confirm at scheduling
• Registry: Oklahoma Nurse Aide Registry, OSDH
• Renewal: 24 months with qualifying work

Who oversees CNA certification in Oklahoma

The Oklahoma State Department of Health (OSDH), specifically the Nurse Aide Registry within the Health Resources Development Service, approves training programs and maintains the registry. OSDH partners with private vendors to administer the actual competency exam, but candidates apply to the registry before testing.

Training programs in Oklahoma

Oklahoma requires a 75-hour state-approved nurse aide training program, of which at least 16 hours must be supervised clinical practice. Programs are offered at:

• Community colleges (Oklahoma City Community College, Tulsa Community College, Rose State College, Eastern Oklahoma State College, Northern Oklahoma College, Western Oklahoma State College, Connors State College, Carl Albert State College)
• Technical schools
• Long-term care facilities that run their own in-house programs
• Private training academies

Most programs run 4–8 weeks, mixing daytime classroom, lab practice, and supervised clinical rotations in nursing homes. Tuition typically ranges from $600 to $1,200, plus $80–$150 for uniforms, textbooks, and the state criminal background check.

The Oklahoma CNA exam: dual vendor paths

Depending on which path your program uses:

Prometric path (standard nurse aide):

• 60-question written/oral exam
• 5-skill hands-on evaluation with a registered nurse evaluator
• Register at Prometric's nurse aide portal

Headmaster path (Long-Term Care Aide):

• Knowledge test administered through the TMU testing platform
• Skills evaluation at approved Oklahoma sites
• Register at hdmaster.com

How much does the Oklahoma CNA exam cost?

• Headmaster/TMU combined — ~$110 (varies)
• Prometric combined (written + skills) — ~$135 (varies)
• State background check — ~$20
• Retake — single component — contact vendor

Fees are set by the vendor and test site, and rural sites sometimes charge slightly more. Ask your training program coordinator before paying.

Where to take the test in Oklahoma

• Oklahoma City — Prometric and Headmaster both schedule frequently
• Tulsa — regular sessions, multiple sites
• Norman — periodic testing through partner programs
• Lawton — limited dates; book early
• Stillwater — limited dates through OSU-OKC-affiliated programs
• Ardmore — limited dates; book early

Oklahoma's testing footprint is concentrated in the OKC and Tulsa metro areas. Rural candidates may need to drive 60–120 minutes to the nearest active site.

Scheduling and what to bring on test day

Bring a current government-issued photo ID (driver's license or passport), your test confirmation email, and clinical scrubs for the skills portion. Arrive at least 15 minutes early. The skills portion may be scheduled separately from the written portion, so confirm both appointments at registration.

After you pass: Oklahoma certification and renewal

Both Prometric and Headmaster report passing scores to the OSDH Nurse Aide Registry. Your name appears on the public registry within 7–14 days, and your paper certificate is mailed to the address on file. Certifications are valid for 24 months. To renew, complete at least 8 hours of paid nurse aide work during that period under the supervision of an RN or LPN.

Common pitfalls specific to Oklahoma

• Wrong vendor registration: The most common mistake. Students registered for the Prometric exam who actually trained on the Headmaster path must restart testing on the correct platform.
• Background check delay: The OSBI background check takes 2–4 weeks. Start it during your first week of training, not the last.
• Rural site changes: Test sites in Lawton, Ardmore, and other rural areas rotate; confirm dates before planning travel.
• OSDH vs. vendor portal: Use OSDH to verify certification status; use the vendor to schedule exams. Don't confuse the two.

FAQ

How long does it take to become a CNA in Oklahoma? Most students finish training in 4–8 weeks and add 2–4 weeks for scheduling and registry listing.

Can I transfer my CNA from another state to Oklahoma? Yes. Apply through OSDH's reciprocity program. Some vendors require a quick skills re-test if your home state used a different competency exam.

Does Oklahoma require continuing education to renew? No. Renewal is based on paid work hours, not CE.

How do I know which vendor my training program uses? Ask your program coordinator directly. Most programs are tied to one vendor by their curriculum choices.

Practice for the Oklahoma CNA exam at /exam and review skills at /skills.