Philadelphia Inquirer Editorial discusses Alliance’s report on teacher attritionTeaching is hard. No wonder 13 percent of the nation's 3.4 million public school teachers either change schools or quit the profession every year. Understanding the difficulties urban teachers face, many believe those educators in particular aren't paid enough for all they do. That sympathy has helped dampen criticism of Philadelphia teachers' refusal to agree to contract concessions. The Alliance for Excellent Education says schools spend about $2.2 billion annually to recruit, hire, process, train, and orient new teachers.