Talk to your high school counselor or your college adviser. They can give you some essay examples and you can have them proofread your essay once you are done writing it these professionals will have insight into what the admissions officers are looking for in an essay. And it is always a good idea to have one or two people read over your finished essay in order to make sure there are no grammatical errors.
Scholarship Essays You write a scholarship essay to convince the scholarship committee that you deserve a scholarship. It varies greatly in subject matter or theme. This essay mush reflects your own personal experience. You should devote a couple of weeks to brainstorming ideas to express in this essay to affect the decision of the scholarship committee.
As any writer will know they are not the best person to look for any errors or omissions in their work. Read it through certainly pick up some obvious mistakes of course. However being too close to your writing is one of the reasons that book editors exist and of course the same applies to essay writing.