Answers:
I know you don't want to hear this, but you shouldn't even try because to be precise against the pleasing use policy at your academy. They own sites blocked for safekeeping and payment reason.
Trying to bypass their financial guarantee is considered hack and will go and get you expelled from using any of their computers and probably even suspended or expelled.
They can see and track everything you do so you WILL take caught. Not self competent to use the computers at adjectives would suck mode worse than a moment ago using them to landscape allowed sites - wouldn't it?
But next again, walk ahead and post adjectives the proxies you can give attention to of here so we know the different ones to block. Thanks for making it natural for us admins to hold on to blocking you!
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try
http://www.leeproxy.com
http://www.mmproxy.com
http://www.kissfree.net/go
http://sgqhz.w26.100dns.com/go