<p>As it relates to decisions for admission, UIUC uses the same criteria for Illinois, other US, and international students; i.e., you do not need to have a higher class rank/test score than an Illinois resident. As to applying as a US citizen or not, be aware that if you need any financial aid, you better apply as a US citizen because internationals get no need based aid. As for your chances for admission, your GPA appears very low and test score is low for computer science so UIUC is a reach. The November 15 priority date is the date by which you are supposed to have all materials postmarked.</p>