The sign is cut off (and `Dungeons’ is misspelled!), but we’re looking at an AD&D club, hence all the core books and Tramp’s Dungeon Master’s Screen on proud display.
That’s got to be a homemade shirt in the middle, right? It’s not any TSR dragon that I’ve seen.
Our teacher rep, the only woman involved in the proceedings, seems quite happy to be there. I wonder what she thought at the time.
(Photo via Story Games forums)
2 Warps to Neptune 
Man. That’s gotta be the most enthusiastic D&D teacher I’ve ever seen. What school was that from? Oh and that guy’s shirt is a total DIY. I’d recognize those felt iron-on letters anywhere, lol.
School is unknown. Original poster doesn’t list source or year.