dkuntz has the right idea--if BU IT can hook you guys up with a box that'd be ideal:
https://it.byu.edu/byu/help.do?&sysparm_document_key=kb_know...
My alma mater gave everyone Unix accounts with public www folders by default, but I don't know if that's the case for you guys.
Tell the kids to use FTP, SCP, or whatever is easiest--test it out yourself and get it working. FTP can be quite easy, but make sure you can walk them through whatever workflow you decide on.