The curriculum vita is an academic resume and it is part of your graduate school application. Your CV enhances your application and gives the admission committee more information about your academic and research experience. There are several ways that you can format your curriculum Vitae, but there are several guidelines to which you'll want to adhere.
Below are two resources to help you write your curriculum vitae
Writing the Curriculum Vitae
This presentation from UCLA shows the steps to writing your curriculum vitae.