States that use Headmaster
| State | Knowledge exam | Fee | Guide |
|---|---|---|---|
| California | 75 Q / 60 min | $40 + $100 | California |
| Michigan | 65 Q / 60 min | $175 | Michigan |
| Minnesota | 70 Q / 2 hr | Set by test site | Minnesota |
| Wisconsin | 75 Q / 60 min | $144.70 | Wisconsin |
| Massachusetts | 60 Q / 60 min | $30 knowledge | Massachusetts |
D&SDT’s website also hosts nurse aide testing pages for Arizona, Arkansas, DC, Kentucky, Maryland, Mississippi, Missouri, Montana, Nevada, New Hampshire, New Jersey (skills test), New Mexico, North Dakota, Ohio, Oklahoma, Oregon, South Dakota, Tennessee, Vermont and Wyoming (checked September 2026).
Exam format
| Item | Detail |
|---|---|
| Knowledge exam | 60-75 multiple-choice questions depending on state; audio version available |
| Skill test | 3 or 4 randomly selected tasks with scenarios read by an RN Test Observer; 30-40 minutes |
| Platform | TestMaster Universe (TMU), e.g. ca.tmutest.com, mi.tmutest.com |
| Remote option | Remotely proctored knowledge exam in several states |
| Attempts | Typically 3 each; Minnesota and Massachusetts allow 4 knowledge attempts |
How registration works
- Your training program enters you into TMU.
- Reset your password and complete your demographic profile before test day.
- Pay online and pick a test event.
- Arrive 20-30 minutes early; late arrivals are not admitted.
Test yourself on the CNA
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HealthCert Prep is not affiliated with or endorsed by D&S Diversified Technologies LLP / Headmaster LLP. Headmaster is a trademark of its owner. All practice questions on this site are original.
Frequently asked questions
Is Headmaster the same as D&S Diversified Technologies?
Yes. Handbooks are published as D&S Diversified Technologies LLP / Headmaster LLP (D&SDT-Headmaster).
How many skills are on the Headmaster skill test?
Three or four randomly selected tasks, each with a scenario read to you by the RN Test Observer.
Can I take the Headmaster knowledge test at home?
Several states offer a remotely proctored knowledge exam; the skill test is always in person.
Sources
- D&S Diversified Technologies (Headmaster) - nurse aide testing home (accessed 2026-09-23)
- D&SDT-Headmaster - Minnesota Nurse Aide Candidate Handbook (June 2026) (accessed 2026-09-23)
- D&SDT-Headmaster - California Candidate Handbook (March 2026) (accessed 2026-09-23)
- D&SDT-Headmaster - Wisconsin Candidate Handbook (August 2026) (accessed 2026-09-23)