In a recent article about happiness at work, Harvard professor Rosabeth Moss Kanter suggests that the happiest among us are those who are solving the toughest problems and "making a difference" in people's lives. If contributing to the betterment of the world is indeed among the keys to happiness, then it's no wonder that the extraordinary teachers featured in "American Teacher: Heroes of the Classroom" [Welcome Books/Random House] express a deep sense of fulfillment and pleasure in the work that they do day in and day out. Against all odds, each of the fifty educators profiled is making a lasting positive impact on his or her students; the kind of impact that recasts futures, changes lives, and might just inspire the rest of us to consider a second career in education. As Ron Poplau, a 52-year public-school veteran who teaches high school community service in Shawnee, Kansas, explains to his students, "the doer of good becomes good." Still need a nudge? Here are 21 excellent reasons to quit your job and become a teacher:
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