Make sure you know why it is ranked highly. Consider the cost and availability of financial aid. Keep in mind the entire cost of attending a school in that community and compare that amount with the available support. Some schools may be out of your price range and may not offer sufficient aid. Investigate the environment of the university or college.
Graduate school is hard enough without outside obstacles.
Don't walk into any surprises. Consider the geographic location. Remember that you may be in a setting for more than a couple of years. You will work best in a comfortable environment. Seeking Information Talk with professors and instructors.