Fully Functional Apple Thunderbolt Display. I've used it for a few years, but it is still in good condition. No problems at all with the display.

Compatible with Mac computers (newer ones will require an adapter as the display cord is thunderbolt 2)

Specifications very similar (possibly identical) to those described here:
https://www.apple.com/au/shop/product/FC914X/B/refurbished-thunderbolt-display-27-inch

I would be willing to drop it off on campus.