It's crazy to spend so much time and money in school and not have a plan for what kind of career you are going to get when you get out. Parents and educators are failing these young people in not guiding them into realistic jobs and careers. The process before anyone attends college should be to decide on potential careers and then pursue the schooling and other qualifications you need to succeed in that career. A study of the job market and relative availability of different jobs should play into that process as well.
Unless you come from a wealthy family, before you spend a dime on higher education you should spend some serious time looking at websites like this one: