Looking for the easiest path into a top business school? When it comes to part-time programs, you have a nearly 50-50 chance of getting into Haas and a 75% shot at Ross, And your chances of getting an acceptance is 90% or better at Wisconsin, Rochester Simon, Boston College, Boston University, and Purdue.. When it comes to executive MBAs, you can't beat Pittsburgh, where 100% of students got into the program.