1) Ensure the essay's overall structure is clear and easy to follow. This means having a clear introduction, body, and conclusion. 2) Make sure the writing is clear and concise. Be sure to revise any confusing or vague sentences. 3) Make sure all of the evidence in the essay is well explained and makes sense in relation to the argument you are making. 4) Be sure your writing & sentence structure is consistent. If your writing is in present tense, avoid using passive sentences. 5) Take a step back from the essay and read it again with fresh eyes. This will help you catch any mistakes you may have missed before.