Study CNA online and learn as you go in your own time.  Having the study material at your fingertips will enable you to pick up your computer and study whenever you are ready.  Take it along in a car ride on a long trip and get lots of studying in during your travels.  Take your computer to the library and study your CNA online there.  At home you can take CNA classes using online materials as well.  The beauty of studying for CNA online classes is that you are remote.  You can choose to study and complete your classes where ever you are.  All you need is a computer and an internet connection.  If you live in a remote area where there are no colleges or universities near by, have no fear.  You will find that CNA classes are accessible to you just as though you were living in a large metropolis.