7- Not Taking Class in Something They Don’t Know About

Many students map out all four years of their schooling without leaving wiggle room to add in a few odds and ends classes on unknown topics. It’s a good idea to take some classes in areas you never thought of in order to see if your passions really lie in other areas than you thought. This can also help those who are having trouble determining their major. If nothing else, they get the fun of learning something new and different.