You can only move out if you are 18, have parental permission or is emancipated by the court. Having a high school diploma is great but does not emancipate you.
yes you can move out when you are 18 because you are a adult
Yes.
Yes. At 18, it doesn't matter if you are still in school, you can move out.
yes
You must have their permission to do so. Or have reached the age of majority for Tennessee, which is 18 with a high school diploma.
If you're in the US, once she turns 18, she can move out, and no, you do not have to support her.
yes
No.
yes
Yes.
That will depend on your location. Some states require you to finish high school first.