I once heard that reading 20 books in a field makes you an expert. Color me skeptical. In some areas, 20 books would barely scratch the surface. More importantly, when it comes to teaching and ...
Sarah Cooper teaches 8th grade U.S. history and civics and is the associate head of school at Flintridge Preparatory School in La Canada, Calif. She is the author of two books, Creating Citizens: ...
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