This forum's policy forbids getting around the rules of the network you are using.
To continue (which we can't here) you would contact your school's tech support and ask how from them.
Again, check this forum's policy on this.
In our college the have put cyberroam , youtube torrentz and majority of the sites have been blocked , i have tried every proxy software like ultrasurf , freegate hotspot shield but none worked . is any one know how to unblock youtube and other site . i have already tried https trick