Am I good enough for a full tuition scholarship?

National Merit Finalist.

You need to have a serious conversation with your parents. It is fine if they won’t give you money for college but not fine for them to interfere with your opportunity to be independent.

Based on your comments, you should prepare to disappoint them. Consider applying to schools based on the possibility for merit aid such as Alabama. Some of the small Ohio schools have good merit aid. There are many posts here about schools that offer od merit aid. The general cutooffs are 3.8, 32.