on your field of study.  So, the key is to track them down.  In some cases, students have been able to cover 100% of their tuition through the clever use and application of US grants. It is important to do lots and lots of research about your own major and find out if the government is willing to pay for your education.  In addition to just paying for your schooling, if they want you to be educated so badly, then there may also be a good chance that they might offer you a job when you graduate.  Having your major and field of study nailed down is always the most lucrative way to go.