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 classify according to health is comparatively easy—it may be done by the three-card system. To classify ability and weakness is not so easy. Each child presents his own problem. In short, the class room of to-day is not the class room of yesterday. It is full of new light—and of new shadows. As time goes on, some will make strange discoveries. And some, for the sake of comfort, may pull down the blinds.

But the brave will not pull down the blinds. They will go on fearlessly to note conditions—to unearth the causes of defect, disease, suffering, and failure, to set these open to the sunshine of an enlightened public opinion, and to lay the foundations of a happier order of social life, and a new era of human progress.