Write to individual graduate departments and ask them to send you information on their program and the school. Visit the schools you are considering applying to. Talk to an admissions counselor if possible to ask questions and demonstrate your interest. You may want to choose one or two schools that you feel confident about getting into, and one or two more competitive schools. Look at the courses of the program.
Programs can vary in credit hours from one school to another.
If you are attending graduate school for research in a specific discipline it is important to identify a faculty member who has research interests similar to your own to have as a mentor. Culture of Graduate Dept. Others are impersonal and comprised of mostly commuter students. Visit your graduate programs to determine if they are compatible not only with your learning styles but also with your social needs. Don't overlook the opportunity to contact student organizations to speak with students presently enrolled in your program.