We are blessed to have a large whiteboard in our computer room which is just off the kitchen but since most of our school is done around the kitchen table it would be more convenient to have one closer. We have a patio door in the kitchen that is all window, so why not use that?
You can tape any size paper, or a bunch of papers if you don't have large sized paper. Take it down when you want and put it up as needed. Without the paper it will look like this: