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Argument: Nearly all thriving cultures have had single-sex schooling
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]Supporting quotations
Michael Gilbert. "Single-sex schools help children thrive". Christian Science Monitor. September 20, 2007 - Surveying how the world's many existing and historical cultures have dealt with the preparation of their youth leads us to the modern relevance of some ancient, tried-and-true practices. Margaret Mead, among other anthropologists, informed us that nearly all thriving cultures have trained and prepared boys and girls separately. Contemporary biological and behavioral research regularly confirms these intuitive gender assumptions prompting the National Academy of Sciences to recommend the study of sex differences "from womb to tomb."