A device that provides all of the functionality listed in your question, would be a MFP (Multi-Fuction Printer)
Answer:
You can't unblock them without admin access to the router. The only way to visit such sites is to find a VPN that is not also blocked by the school.
But you should know, what you are trying to do can get you in trouble if the school's IT department is competent to any extent.
THIS IS MY PERSONAL OPINION:
The world is indeed changing very fast, and the future brings new possibilities and new realities. I foresee that humans will thrive for another 50 years, until the global warming situation reaches its limits. The people in the future I think will not have any ( maybe rarely) social interactions, maybe we will go to the moon etc. but i still strongly believe that the end of humanity is decades close.
I hope this helps you :)
<span>Jellyfish, they are consider the smartest and they have found things in them to help treat cancer.</span>