It would depend on what license you want.
Your parents may set that rule. And insurance is usually cheaper if the driver has good grades, which may influence your parent's ability to cover you.
I believe that the tests are fairly similar from state to state, however I did find a site that has a "Practice" test for the Kentucky drivers license. I think this site will provide your daughter with a good sample of what she can expect for the written component of her License. http://migration.kentucky.gov/kytc/practicedriversexam/
No
The expiration date is printed on the license.
The expiration date is printed ON the license.
A Maryland drivers license is good for 5 years
No, you just have to be a safe driver.
Five years.
Good Idea! It helps to have a license when you go to Court!
Yes, your driver's license is good throughout the United States.
Only as a visitor or tourist.