alone country isolated school school desk school's out weeds blackboard education learning one room school rural school teacher writing angles appearance chairs class classroom desks furnishings furniture high-school room secondary-school students study surface surfaces rural schoolhouse teaching bell ring school bell sound cars caution children crossing drivers driving flag marker motor-cars orange pedestrians road roadside safety school-crossing school-zone sign slow-down traffic vehicles walk walking warning architecture black and white building bw teach book books library read reading Compartment cube high school locker locker room lockers security square storage storage device