In its well-intentioned effort to create alternatives to public school dropout factories, the charter school sector has created teacher burnout factories. But it does not have to be this way. Charter schools can continue to maintain high standards while creating a more sustainable work environment for teachers. This article examines the teacher burnout issue as a larger national trend, discusses its particularly toxic effect on the author's school, Hyde Leadership Charter School in New York City, and describes an effort to improve retention among that school's faculty.