US schools like Duke, Darden, Michigan, Cornell, Yale, NYU, UCLA and Haas would be stretches - choose 1-2 schools from this list.
Your sweet spot is likely schools within the top 30 such as USC, Texas, Tepper, Georgetown, Emory, Purdue, Indiana and so forth, assuming your GMAT is in the high 600s or ideally 700s. Choose 3-4 from this list.
As for the Asian schools such as ISB and NUS, it would come down to your GMAT score. If you're able to score 700+, you should be competitive. If not, they will be stretches.
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