Public networks need restrictions. That’s a common rule of thumb and it makes sense to block services like FTP.
HOWEVER that does not make sense when you’re trying to educate Multimedia designers and web integrators, also it does not make any sense to kick students out the door of the IT-department that point out that every of their exams has somehow been influenced by not really being able to use the schools facilities as a workspace, but more as a hangout for drinking coffee, because the network is in your way.
Since it is part of my curriculum I demand opening of the SSH and FTP services for publishing and code version control.
If you want to know which kind of school would prevent their students from higher productivity, it’s Hansenberg