1 Â­Twenty-three million Americans are currently addicted to alcohol and/or other drugs. 2  Only one in 10 of them (2.6 million) receives the treatment they need. 3  The result: a treatment gap of more than 20 million Americans.
The deadline for change of residency by matriculated students with appropriate documentation is one month prior to the registration date for your college for the next semester (you must file a change for residency status six weeks prior to the registration deadline that you wish to have the change in effect).
As a green card holder you may travel abroad multiple times and re-enter, as long as you do not intend to stay outside the U.S. for 1 year or more, however leaving the U.S. for more than 6 months may already cause suspicious of your intent to abandon your residency.