The paper states the necessity of creating a pedagogical system of activating the process of thinking and speaking of high school students. The proposed system consists of five components which provide the educational context for activating the process of thinking and speaking: a motivating goaloriented, a content-based socializing, an operational technological, a resultant diagnostic and a productive reflective components. Their phased implementation allows to direct, control and correct activating of the thinking and speaking processes of high school students.