UW lambo lab vs GT vs Cornell

<p>please can someone help me, i am international student & i have been admitted for M.Sc aeronautics/astronautics at university of washington with research at automobili lamborghni lab (as i am geatly interested in advanced composites) and i was also admitted to georgia tech and cornell.....i know that cornell and georgia tech are highly ranked than UW but i was given oppertunitu for composites research at lambo lab. which one attend.....please advice me, i need help. thank you</p>