Another important role of the PS is that it allows you to explain, although briefly, some information that may not be accurately represented by your transcript or Curriculum Vitae. For example, your GPA might be low because your school places a cap on grades given to students belonging to your major. Another example would be explaining the connection between your undergraduate major and your chosen graduate major, which might seem incongruous at first inspection. For these reasons alone, it is extremely important that you follow a guideline in composing your own PS.
Long before you have reached the point of revision, however, it is important that you personal statement is intended as a selling tool for you to gain entry to your chosen university. If you wish to interest the reader it is important that you are your own critic. You will need to prune and polish, check grammar and spelling, take another look at your style: in fact, you may need to re_write your first few sentences to ensure your personal statement is powerful and will capture your readers attention instantly. A great way to help with this is to read sample personal statements these samples will give you a clear idea of how you may improve your opening.