Very few successful directors seem to have gone. Why?
Because you don't learn anything there just like you don't learn anything in business school.
You can't learn to have a good eye and gut instict what angle or frame will look good on screen. And in a lot of cases all the technical knowledge will get in the way of capturing the perfect shot.
I agree with R1.
I went to a big college and there was an alumni event in LA (for show biz folks.)
All the people up on the panel one after the other said the same thing: "I left before I graduated, actually."
They all had an opportunity to work during college. They took it, continued to work and never looked back.
The rest of us who played the game were trying to bang on the doors, trying to get in.
It's something innate...don't ask. If you ask or beg to get into the business you won't.
You have to take it.
Also, its one of those things were a degree wont guarantee you a job you have to be social and meet people.
Film schools are a recent thing -- sort of like advanced degrees in journalism.
Before academia-fever, people just worked their way up.