Lots of good questions!
I think your profile is pretty good. You've got competitive academic scores and good, business-oriented professional leadership experience. I also like that you demonstrate your entrepreneurial spirit through the scholarship fund you founded. I'd say you could reach for schools like University of Michigan and Duke, target schools like UVA and Cornell, and include some safer schools like UCLA and maybe Babson given your entrepreneurial interest. Given your interest in start-up oriented programs, you might look into UC Berkeley, UCLA, USC on the west coast. Could also look at NYU and Tuck. Unfortunately, there is no such thing as a "sure" school, but I think USC would be quite safe.
Scholarship opportunities vary by program. You'll have to research each school's options independently. Typically scholarships are given based on merit, hardship, etc.
I don't think you need to retake the GMAT. Better to spend time on the rest of the application.
I'm not too up to speed on the operations industry trends, unfortunately, but operations is a pretty specialized skill that is invaluable at most companies. I don't have any data to point you to though -- I suggest you look at placement stats for your target schools over the past couple years and see if there's been a rise/fall in students taking jobs in that field.
Hope this helps,
Mili
Mili Mittal
Senior Consultant
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