Take as many credits as you can handle at one time. Most universities charge you per credit, but only up to twelve credits. After that the rests of the credits in that semester are free. Taking eighteen credits per semester will leave you paying one-third less than your peers for the same education.
You should not consider going to college unless you have a good idea of the kind of career you want or at least have a general idea. Meet with a career counselor to find out more about your different options and take the time to do some research about different schools and programs.
If you are having trouble figuring out strategies for academic success, see if your college has a study skills course. Many students are used to getting high grades with comparatively little effort in high school and may not be sure how to study for their college courses. Study skills courses can help you learn what to do to succeed in class.
When you are about to take a big exam, make sure you eat an adequate breakfast but keep it a little light. Don't go into a test hungry, or you'll have a lot of trouble concentrating. Do not overeat either; however, so you don't have to deal with an upset stomach.
When you are trying to choose a school that you would like to attend you should weigh all of the pros and cons of the school compared to what your major will be. You can find many lists that tell you what the department at the school you are interested in ranks.