The Red Cross offers CNA classes in many states around the U.S. The test is given in a 2 part phases, you will be required to take a written and a skills test. You also get your scoring the same day and you have to make a 80% or more to pass. The fee to take the test is $100. Training for the class can be taken for free in some places you would have to contact a local vocational training school, also contact your employer and see if they offer any free training programs.