Spatial abilities are fundamental to human functioning in the physical world. Spatial reasoning allows people to use concepts of shape, features, and relationships in both concrete and abstract ways, to make and use things in the world, to navigate, and to communicate. Surgeons, pilots, architects, engineers, mechanics, builders, farmers, trades…

Junior and junior-senior high schools enroll a large proportion of our early adolescent population. The programs they provide, the services they offer, their administrative practices, and the character of their staffs have far-reaching effects. These programs, services, practices, and staff characteristics constitute the scope of the present…