How to get around CKAuthenticator on my school's chrombooks?

My school issued all the students lenovo chromebooks, which is great and all and i'm really happy about it, the only thing is that they put a software on them called CKAuthenticator that prevents us from going on websites like facebook or twitter ad blocks out a lot of youtube.

for the first few months, we could log in to our own google accounts instead of using the ones the school provided for us, that worked to let us passed the block, but now the tech department has made it so we need to use our school google logins. We also can't use a VPN or proxy because the application is installed directly to the browser and it doesn't go through the wifi. I'm wondering if there is any way to get rid of content keeper without switching to personal accountsor using a proxy/vpn.

I have a picture of the extension description.

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