I have lived with my grandparents all my life, but they are not my legal guardians nor have they adopted me. Who do I file my FAFSA information on? (financial aid)

I have lived with my grandparents all my life, but they are not my legal guardians nor have they adopted me. Who do I file my FAFSA information on? (financial aid)

You must file using the information from your parents. If your parents are not married to each other, you must file on the parent who has provided the most support for you in the past year.