How about how to set up a high school network that you can log in on any computer and have access...

[G+_Sam Zick]

How about how to set up a high school network that you can log in on any computer and have access to your files

[G+_Richard Stouder]

Setup a domain with each user having home share on a centralized file server that gets mapped at logon

[G+_Dan Phillips]

Roaming profiles http://technet.microsoft.com/en-us/library/cc738596(v=ws.10).aspx