Sarah Cooper is co-dean of faculty at Flintridge Preparatory School in La Canada, California.
She teaches eighth-grade U.S. history. Although Sarah has always taught English or history, she was a "math kid" and finds Proof School's mission fascinating. She is the author of "Making History Mine: Meaningful Connections for Grades 5-9." She writes articles about teaching for sites including Edutopia and MiddleWeb.