You can easily bypass all the geo-restrictions with VPN. Since proxy goes MIA, the only alternative left for you to consider is a VPN as it is easily compatible with all IOS and android devices. Basically, A VPN is much more sophisticated Internet liberation tool as compared to a proxy. So, firstly, it won’t be easy for your network management personnel to hinder its operations. Secondly, a VPN is much more secure as compared to a proxy. A VPN not only helps you unblock everything at school; but, it also enhances your security and protects your data from unauthorized access.
Based on VPN’s performance and users’ feedback, I found the list of 5 best VPNs to unblock everything at school.
Source: http://www.vpnranks.com/how-to-unblock-websites-at-school/
