What is the difference between a discussion you would have in a college class and a casual conversation with a friends?

The difference between a casual friend conversation and a conversation that you will have in a college class is, casual friend conversations talks about personal things in life and girl talk. you can talk to your friend about things that are bad and good. In a college class conversation you would basically talk about your goals and your future. You may also talk about assignments. To narrow down the differences a casual conversation with a friend is basically about your personal life and college class you basically talk about future and careers.
College is debate
A discussion in a college class is more formal. You demonstrate your knowledge by giving specific examples. You are giving your theory or opinion to multiple people you really don't know. You are more careful to use the correct grammar and careful what you say. Your communication is more clear because you study a topic, and you present this topic to several people. College class is more of a debate. Casual conversation with a friend is more personal and less informal. You can be yourself and more laid back. You may not talk on the same level as a college class setting. Sometimes friend have tendency to use in proper grammar even thought they know the correct grammar. With a casual conversation with a friend , you don't have to present a topic to he or she in detail as in a college class setting.