Many business schools are increasingly offering blended MBA programs, which combine the flexibility of online learning with in-class study.

The world is going through a green energy revolution as economies try to wean themselves off carbon to stave off climate change. Some energy sector executives are enrolling in a new breed of Online MBA programs that focus exclusively on this dynamic industry. 

Online MBA students tend to be older than full-time candidates and looking for a career acceleration: they enter the programs with relatively high pay and it generally surges higher still on graduation. The increase can be as high as nearly 50 percent after a few years and the actual salary achieved above $200,000 on average.