You need to work on your GMAT score to get accepted in big schools.
What are you aiming at when studying international business? Most schools provide International business concentration but truly Moore (South Carolina university) has unquire experience not found in big names. The school does not possess high rank though. You can see its name in big ranking in that field only.
https://grad-schools.usnews.rankingsandr ... s-rankingsIt stems its position from learning a language from 8 languages then spending 5-9 months in a country which speaks that language. I have visited the school. You can find my review here:
https://gmatclub.com/reviews/business_school/moore-40If you want big names, then juts search every school and find out what each program delivers. There are many in the big 30 schools.
Good luck