This document discusses staff development in schools. It defines staff development as activities intended to upgrade the knowledge, skills, and behaviors of school staff. The goals are to create positive changes in staff and ensure compliance with school policies. Effective staff development includes in-service training, leadership development, consultation, and evaluation. It benefits teachers by providing current information and benefits schools by helping them achieve their goals. Common types of staff development are induction training, job orientation, in-service education, continuing education, and training for special functions. Today, supervision plays an important role in coaching and guiding staff development.