If you see yourself in college, then such dream represents the variations that are happening in your life. Perhaps you are going through the period of your life, where you are trying to get more knowledge in some aspects of your life. The dream could also be interpreted as the suggestion to start something different and new in your life, because the unconscious mind of yours is ready for it. The dream could also represent the old times you are longing for, especially if you actually went to college when you were younger. If you are still the student, then it shows the present situation your life.
College dream meaning
Read more about dreaming of College in other dream meanings interpretations.