Never a class bigger than 12. But i did it at Scout camp and we were using knives and rope and fire so maybe they were more willing to be cool because i was visibly armed and dangerous

proffessors could say “we’ll be using Gnu Image processing” or “Gnu Imp” if they wanted to get lame about it. The real big knoggin move is to just call it GIMP and silently dare your students to act like children