4. Not Looking at the Full Picture
It is certainly a mistake to focus on one aspect of your list of priorities or of the college that you consider.
For example, if the school has a great program, but does not offer the city life that you dream of, is it worth choosing it?
You should look not only at the academic opportunities, but also at the lifestyle that you will have.
After all, you will be able to do your best only if you feel comfortable and happy in the respective academic and student environment.