I'm not a very good student and I'm very afraid I won't get into college. My parents will be very upset about this and that's why I want to know all the information about admission and the documents that need to be submitted to the admissions committee

And I can tell you about a personal statement. It should be written intelligently and reveal as much about you, your character, and your accomplishments as possible. You can write such a statement yourself, but if you are not sure, then I recommend that you contact professionals who can easily write it for you https://www.personalstatementwriter.org/letter-explaining-low-gpa-writing/