Hello, Here is an article that you may find helpful...

Business Education: College and Graduate Study
http://www.education.com/reference/article/business-education-college-and-graduate/

You might also contact colleges and find out specifically which courses you need to complete to obtain business degrees from their institutions: http://www.education.com/colleges/

Perhaps others who have studied business will also chime in with some information (and/or tips for business courses).

Thanks for asking!