SD TMU Resources

D&S Diversified Technologies (D&SDT) - Headmaster, LLP, is the Board's approved vendor that administers the SD CNA knowledge exam (test). Headmaster's uses a software platform called TMU©, which stands for TestMaster Universe.

TMU© allows nurse aide instructors to register students for the SD CNA knowledge exam. TMU© also allows students to update their profiles and view their exam results. Review the following instructor and student TMU© how-to guides to learn helpful information about the exam.

TMU© Instructor How-to Guides

TMU© Student (Candidate) How-to Guides

Page Updated: 4/11/2026 5:52:56 PM