One of the most important European Union strategies is development and growth with a help of education, because investment in education is justified economically. Psychologists who work within an education system play an important role. In this article we describe the priorities of psychologists in education. Important priorities of a school psychologist today are: inclusive education conditions and mental health and well-being of a child. Inclusive education is a form of education, when using the curriculum, with different teaching methods and assistance, created optimal learning environment for children needs and skills. Inclusive education improves psychological well-being of a child. We present the findings of child’s psychological well-being strengthening, and psychological support in an inclusive education environment: to provide tools of improvement of mental health and learning environment; to monitor the learning conditions and factors, and predict their impact on a child’s psychological well-being; to develop a portfolio of intervention tools on an individual and institutional level of education; to perform evaluative research that evaluates an efficiency of various positive intervention. There is also important cooperation between psychologists, teachers and others specialists.