This methodical book represents the adapted variant of complex diagnostic of psychological ell-being and psychologically healthy schools/communities, based on perspectives of key takeholders (teacher, student, school, community). This diagnostic toolkit was used in international project Promoting Psychological Well-Being Globally, project is a collaborative endeavor of school psychologists from several countries, developed by the International Initiatives Committee (Chair, Bonnie Nastasi, PhD, Walden University, USA), a joint effort of the International School Psychology Association (ISPA) and Society for the Study of School Psychology (SSSP). 
The methodical book contains the analysis of modern approaches to studying psychological well-being, the description of the international research project Promoting Psychological Well-Being Globally, and also diagnostic toolkit and an algorithm of analysis and interpretations of results. This methodical book can be used by school psychologists and teachers in individual consultations. At the same time, it can be recommended for students of psychological and socio-logical specialties.