This book is intended for educational leaders who want to take action to improve the school climate. It describes how to provide leadership for developing lasting and significant improvements in school climate. It also shows the growing necessity for a positive and humane school environment and gives reasons why the school's climate is crucial to its success. A school's climate is described in terms of (1) goals for the school's learning programs, (2) factors that comprise climate and determine its quality, (3) elements of a school's operation that contribute to a positive climate, (4) basic human needs that any school must address if it is to be a viable educational institution, and (5) goals for an effective staff development program. Additionally, the book outlines how to take the first and most significant step toward climate improvement, which is to assess and analyze the climate within a school or school system. (Author/MLF)