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 desk 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