6. Upper Iowa University - Fayette, Iowa
UIU is a private university founded in 1857. While located in a rural Iowa setting, all learning takes place remotely. Degree candidates can complete the 36 credit MBA program in two years or less, but must maintain a minimum GPA of 3.0. Classes run in five accelerated 8-week sessions, including one 6-week summer term. The school has a 43% graduation rate.