How can i legally get my 20 year old step daughter to leave my house?

There is no legal option you can take without mom on board. Assuming you can get mom on board, you can kick her out of the house. If she refuses to...

Can my uncle host me as an exchange student till I finish high school, maybe college?

Way too much information missing here. What are you talking about? Do you live in the U.S. Where does Uncle live? Where do you go to school now?...

Can I sue a public college for misrepresenting course content?

This is nothing. Sorry.............not even close.

Can I test out of (or otherwise opt out of) a high school class?

The school can have its own criteria for admission into classes. All schools set their own standards.

Is that consider discrimination?

That does seem odd. However, without knowing the--full--backstory, no way to really say. I doubt it is discrimination as such. What is the status...

Student loans are in default. Will a loan rehabilitation program, keep the Dept of Ed from revoking my teaching license?

The Dept. of Education (Federal) doesn't do that. To the extent you state may revoke your license for non-payment of students loans, I don't know....

Is this a conflict of interest?

I saw and thought about this question yesterday and even started responding, but the explanation was becoming too involved. My bare thought is...

Here is the statute, itself. We would need to know what you feel sanctions are needed (raising unsupported claims of fact or law, or issues with...

Can I reneg on a plea agreement that has just been signed.

Have you gone before the judge to enter the plea and be sentenced? I am updating this question to criminal defense, the question is not an ethics...

Will I hurt my case in anyway by firing my public defender and hiring a private attorney?

Doubtful, unless the attorney you hire is less experienced and less knowledgeable than the PD.