Here are a list of get-around tricks to help bypass.
Inspect element: If inspect element is blocked, just put "view-source:" in front of the URL website you wanted to inspect. (Ex: view-source:https://example.com)
Hotspots: Some phones allow you to connect other devices to their hotspot. This can be useful because some schools use their school Wi-Fi as a way to block things. This can also be used to access websites that your school does not block, but prevents from loading.
Embedding: If you need to prevent teachers from getting the links to a website, you can try embedding it in a blank google sites. If you do this, the teacher can not get the URL to the embedded site, only the URL to the google site you are on currently. You can do this to help prevent good game sites from being blocked.
Files: Most things used for blocking can't block your files. Because of this, you can find ways to download games or even websites as files and use them. The games on this website are file downloads, so you can see how useful this is for yourself.