Over the past year, the education conversation has largely been critical of policymakers, teachers, unions and administrators. While this examination is largely necessary, it shouldn't keep us from seeing those educators who truly are making a difference in their students' lives—often times overcoming significant obstacles to achievement. To this end, GOOD and University of Phoenix is launching The Great American Teach-Off—a nationwide competition that will identify classroom heroes and reward one with a $10,000 grant to use towards his or her classroom.