YOU: The person behind the GPA, the test scores, the extracurricular activities, and even the mailing address; the you that you have not revealed in the rest of your application.
SURPRISE: An unexpected angle on your topic--even if the experience you're writing about is ordinary.
GENUINENESS: Writing as yourself, without pretension and without taking yourself too seriously; relying on your own vocabulary rather than the thesaurus or the words your parents think you should use.
THOUGHTFULNESS: Thinking about your experience and its meaning, to yourself or to others (or both); showing through your reflections that you are a person on whom nothing is lost.
A lot of big words that are meant to impress - make sure to use your OWN voice!
Sloppiness, mechanical errors (spelling, punctuation), obvious professional input, reference to an incorrect institution - PROOFREAD your essay and have multiple people read it!
Cliches
Merely putting your activity lists into prose form--and thereby missing a chance to tell us something new and different about your self
Bland, impersonal writing
Doom-and-gloom essays
John's Hopkins has created a resource center on The College Essay.
"The essay are a place to show us who you are and who you’ll be in our community. It’s a chance to add depth to something that is important to you and tell the admissions committee more about your background or goals. " Check out their examples!!