I just noticed that Stack Exchange runs a school for smoke detectors. I'm not complaining, I'm just wondering why we have one. I'm asking here because it doesn't seem to be associated with a specific site.
That room isn't run by Stack Exchange (well, it sorta is as they host it, but you get what I mean :P). It's owned by The Charcoal Team who runs a bot, SmokeDetector, that aims to detect spam on the network and posts it in chat rooms. The "Smoke Detector School" room exists for testing and running Beta features.