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How to choose a rigorous college schedule for your first year
Review the school catalog.
This should list the requirements to graduate in your chosen major, and it is important that you understand what requirements you must fulfill. It will also give a brief description of the contents of the courses, which in turn will help you gauge how difficult each course will be and whether it will interest you.
Look at the class schedule for the first term. Begin making a list of classes you wish to take.