Permanently, if you emigrate there.
Citizens can legally stay forever.
90 days
If the I360 form has been approved, a person can get a Green Card and stay in the United States indefinitely. However, it could take up to a year for the I360 form to be approved.
three months
For the rest of your life, unless they are legally expunged.
As long as it has been legally declared by a court. It may be for a month or for life.
a green card is what authorizes a person to be in a country
How ever long you can stay awake
They stay with you forever. You must legally report them forever.
to stay there legally, permenantly you have to pass a citizenship test
How long can a person stay in high school
it really depends on the person