I went to UBI this past Spring.
I have retail management experience.
I'd love to have my own shop but definitely lack the resources to open successfully.
I am working as a mechanic in a LBS for at least a year, maybe two, before I even consider my own place. Part is just that I am a relatively conservative wuss when it comes to business; part is recognition that a successful business is not just knowledge (school) but also experience (time spent working/learning on the job).
College is 4 years, bike school is 2 weeks. Consider a low wage mechanic job part of the expense of getting a bike shop education and it takes the sting out of it a bit... and is a screaming deal from an educational standpoint--you get paid to learn as opposed to paying to learn. Call it what you want--apprenticeship, residency, whatever--but get enough time in to figure out if you have what it takes to run a business successfully... or if it's even something you want to do.