The structure of essay consists of an introduction, main body and conclusion. In the introduction you need to grab reader's interest. You must begin your essay with an interesting sentence. You must write interesting facts about yourself.
The main body of your work divides into few paragraphs. Each paragraph must open some episode of your life. You should keep your paragraphs relatively short. You must avoid lexical, grammatical and punctuation errors, repetitions, inexactitudes and so on.
You must show your personal strong and weak sides in the essay. You can describe your ideas, plans and hobbies. In conclusion you need to generalize and systematize materials in short manner. You nee to demonstrate your final opinion in this part.