This is the Wizard Tower w/ a Secret Laboratory, hidden inside the tower. Plus their is a Easter egg in this map of a secret room filled with secret society and the head master itself

P.S. I really don't know how to upload my world save to the planet minecraft that you can download my world save. Leave a comment to tell me how can I upload the world save to planet minecraft web, this is still my first time to do this and please leave a comment I really Really don't know how to do it.