Michelle Lake answered:
July 8th, 20141. If you stay with your Aunt it is a direct placement, but most organizations will not let you stay with a relative. The organization that you will work with will find you a school. As long as it’s not a direct placement. A host family is going to give you the best experience to improve your English. 2. It’s not bad to stay in the U.S. It all matters on your attitude. If you are open minded and have no expectations, you will do fine.
3. Exchange is 15 years old to 18. So 10th grade is usually the earliest. If you want the high school experience go before your gap year. A lot of schools don’t take kids if they are done with school.
4. You can begin looking at prices and checking out scholarships.
5. There are many programs out there. Your best bet is to talk to people who have done exchange. The bigger the organization does not mean the better.