<p>Thumper1 is correct. Sister is the legal parent & therefore the FAFSA parent. It may be possible that whatever took place between you and your sister could qualify you for a dependency override, but there is no way for us to know given the info you have posted - and you don’t need to detail it here, but you would want to discuss it with a financial aid advisor at the school you want to attend. That is where you will get your best advice. </p>