Are they using NT or 2k?

That probably wont help anything, I am just curious .
there is probably no way to get around it, I am sure they dont allow student's rights to be able to close any running programs that the student's themselves didnt start.
I was lucky at my old school, we were using the Novell Equivalent of windows 3.1 and the network was so unstable that nothing could be run or it would crash..... well thats not really lucky, but we werent monitered