Improving and maintaining staff performance is an important and often difficult responsibility for school leaders and senior teachers. Offering guidance on diagnosing ineffectiveness, supporting ineffective teachers, and procedures when support isn't enough, this practical book is designed to help those teachers who manage others. It will help the reader to understand what under-performance is, and to develop a whole school approach to monitoring, supporting and restoring teacher performance. There is also advice on self-help and development for the teachers themselves. This is an essential one-stop reference text for every senior teacher in primary and secondary schools.