What you are calling a small issue, the time clash of Cna classes to other classes has aroused as an alarming issue, and earlier many of the aspirants could not fulfill their dream because if this, for this online CNA course has been introduced and it is definitely one of the best option you can opt. In CNA entire course prescribed by the state for becoming CNA is taught which is all together 150 hours, comprising of theory and practical, for which you may be asked to attend classes, and it all together it is for not more than 6 weeks. http://www.online-cna.com here you can get, details about colleges and select them accordingly as per your state, hope you know that.