Or download firefox, than use the built in proxy settings:
on the tool bar, go to tools, options, network, and click settings. Put manual proxy settings on, and copy and paste a proxy from:
http://www.proxy-list.org/en/index.php
Not all of them work, but they are sometimes helpful. I personally find the Argentina ones and the Korea ones the best.
All you have to do is look up some proxies. Its realllly easy, and worth it.
We also use a site:
http://unblock.asia./
Everything is in German when you go through it, but it helps when you understand German. Hopefully that helps. If it doesn't work, your computer admins are very good. Ours are pretty good and we can still get passed their attempts at stopping us. Though they did allow us you tube access for this month. I think one class needs it.