If you have need, then yes you should apply for financial aid. But be aware that US federal aid will only be available to US citizens and qualified permanent residents. So if you are a US citizen abroad you qualify for federal aid. Also, understand the amount of aid available for international students will be dependent on the schools to which you apply and how much that school caters to international students. Realize, as well, which schools are need blind for international students in their admission decisions. You also have the option of competing for merit based aid at the schools that you apply. In the end if you need aid, do your research and apply to schools that actually have aid for international students otherwise you will be wasting your time. Look into private and outside scholarships from your own country as well as the US. Look for schools that are actually trying to increase their international student population. You may not have heard about many of them but you may realize that they offer as good of an education as some well known schools.