Thanks for your comments .I guess I simply don’t see anything wrong with a school using your name and photos even after you have left. My first school in China created a small wall with pictures and names of teachers near the entrance that had worked at the school over the years. As a new foreign teacher, it was almost comforting to look at ‘all those happy faces’ and realize that if they were able to survive at the school, so could I. And, it was also something the school was proud of which I can completely understand.

Maybe using a teacher’s photograph on billboards around a city even months after he or she has left is taking it too far but again, what harm does it cause? Unless you are working in that same city but for a different school, I just don’t see what the big problem would be.