Legal Question in Juvenile Dependency in Florida

The easiest way is to get married or join the military.

Assuming that's not possible (she's not engaged or her parents won't allow her to marry and the military isn't accepting minors right now), she gets a self-supporting job, a place to live on her own, affidavits of permission from both her parents (whoops, there's the catch), and files a petition for emancipation with the clerk's office and sets it for hearing before the judge where she and her parents appear and explain why it's all good and why she's mature enough to handle it and live without parents, unlike practically all the other minors in Florida.

I don't mean to come off flip, but "divorcing your parents" is almost an impossibility in Florida, which is probably how it should be. At the very least, it is in no way "quick" nor "easy."