It depends on your profession; in some a graduate degree is a step forward such as in an academic career. In others, experience is seen as a more valuable asset. If you are happy in your present job and there is opportunity for advancement, ask your boss if he/she would approve your going back to school. Your company might encourage you by participating in your tuition and giving you some time off for studies. I have found that everything you can learn can be valuable. Good luck!