At any top educational program, you'll get better competition and coaching from professors, peers, and alumni access than self-teaching. At most MBA programs, you can take accelerated courses or skip re-learning skills.
> "you'll get better ... coaching from professors, peers, and alumni access than self-teaching."
Not all of the academic knowledge is in the textbook.
If I want to learn anything, I know the best way to learn is to get great coaching and a great curriculum. The unbundled (self-teaching) route is harder to navigate successfully, though, everyone thinks they're the exception!
Many business topics are the same way - you will learn much more by actually applying the knowledge to real-world problems than by working through textbooks and case studies. When hiring people, I and my peers vastly prefer demonstrated hands-on experience to any equivalent amount of academic knowledge.