United states of America is the world’s largest economy, also has vast history and culture. The United States is well known for its higher education opportunities. It has some of the top universities in the world. In fact,  Quacquarelli Symonds World University Ranking  showed that of the top 20 universities in the world, 11 are in the USA and every year the number of foreign students who choose to study in USA increases. It is a great place to continue a course of education but also offers a range of exciting experiences. It is most preferable nation for every international student and visitor, just because of job opportunities, business opportunities, technical abundance and mix of people from varied nations.USA universities offer research and training opportunities to international students at the graduate level. Another interesting thing is that a student can assist a professor by being a Teaching Assistant to them which also helps in funding in their studies and also helps in the broadening of their knowledge and skill set.