Certified Nurse Assistant (CNA) TRINITY CAREER INSTITUTE in Kansas Credentials Measurable Skill Gain Leading to a Credential Cost In-State: $943.00 Out-of-State: $943.00 We offer CNA classes weekdays and weekends 2 days each course for a period of 6 weeks. State Approved Last Updated Feb 16, 2021 Created Mar 06, 2012 Renewal Mar 09, 2013