Organizing for America, the successor organization to Obama for America, is offering the National Organizing Internship for college students. Since this is a nation-wide internship, it can be done in conjunction with your college courses in any state. You can even talk with your college to see if you can receive college credit for the internship.
For more information or to apply, go to the Organizing for America site. The application deadline is August 24, 2009.