US B school search criteria

1. Its difficult pin-pointing b-schools which give out generous scholarships without knowing which range of b-schools you are targeting and what your profile looks like. But in general, you can expect some $$ from b-schools where your profile stats are better than their average class profile.Needless to say, you should still be submitting a great application that shows career progress, leadership potential and a clear purpose for doing an MBA.

2. Here is a list of b-schools specializations in supply chain.

3. There are many programs that do not require a cosigner, but it will be easier to answer after knowing the range of programs that you plan to apply to.

I'd suggest you to flip your research. First get an idea about the b-schools where you should apply. Then narrow them down based on their fee requirements. Here is a blog post that will help you to figure out how to research business schools