For most secondary school students, walking into a score of rooms every day is a simple task. For a handful of students—those challenged by sensory stimulation or by trauma or by a learning disability—crossing each threshold is a risk, which they have to take over and over again. Few jobs for adults require us to switch work sites and supervisors every hour, to adjust to a shift in sound and seating and objects and tones so often. The chairs in classrooms are hard, the desks rigid, the lighting harsh.
