An honest suggestion to you. If you are really that good at studies, why don't you study undergrad there itself. At least you would not want to worry about paying for your tuition, since even in Nepal you can get good scholarships or your tuition could be affordable. Thats one genuine advantage you got being a Nepalese Student studying in Nepal. But as you have good scores, i recommend you try in for scholarships in the US as well. Or else, as people above said , graduate studies is a wise choice for fellow Nepalese who can exploit their talents within the country itself. Not that you cant in US, but in case, you'd feel like working and studying does not meet up to your expectations.