That could work too. Probably you would want to start with a course on Comparative Religions. If you do, don't be surprised if the don't mention JWs at all or include them with flying-saucer cults.
Hey! Here's something you might want to look at!
http://www.teach12.com/storex/coursesdetail.aspx?ps=909
They produce some good programs and it is all self-paced, so you don't have to worry about a grade.