One thing that our school has done has been to change buildings. Our old campus was full of narrow winding halls where students could "hide out" and we did not really have a central location. Our new building has a great central gathering area that is right in the middle of the school. This adds to the sense of community.
Also, we made our faculty area more accessible so that students could locate them between classes. We have also started "galleries" down the hallways so that both teachers and students can display their artwork.
