The new ES here in town was built somewhat in this fashion. You’d have your standard school hallway in the center. You’d then go through a door that brings you into a “pod” for a certain grade, however, within the pods are regular walled off classrooms. Unfortunately, I never got to see these for myself, as I’ve only been to the new ES once, and I only went so far as the main office. It’s a VERY secure facility now, unlike its predecessor.