The urgency of the article lies in the substantiation of the importance of using visualization technology in the process of education in the current period, defining the difference between this technology and the principle of visualization at the lesson in the today's educational institution. The article covers the concept of information competence and its components, describes techniques of visualization technology of teaching material, aimed at forming this competence. Special attention is paid to the methods of visualization at a lesson for the purpose of better knowledge assimilation. The article also describes different ways of visualization of educational information as a prerequisite for successful teaching of school subjects. The data contained in the article are the results of the analysis of digital services of visualization of educational content and the study of methodological foundations for the use of all kinds of information visualization tools at different stages of learning during the present lesson. The article covers in detail the most modern ways and means of information visualization, including mental maps, timelines, etc., because enormous information flows require the ability to assess this information, to determine its reliability and trustworthiness, to determine the main thing in it. The content of the article is of practical importance for teachers of today's schools.

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The purpose of the academic paper is to establish the relevance of the content and assessment of the preparatory course for teachers in the field of STEM education, as well as to determine the rating of educational topics for those professionals who plan to work in the STEM education system; to identify the knowledge and skills needed to work in STEM education. Research of STEM education is promising as well as further identification of the most effective concepts of STEM education, the formation of effective training courses in order to improve STEM qualifications of teachers in the field of secondary education. It is also promising to work on the introduction of the principles of STEAM education into the modern education system in Eastern Europe, where knowledge and skills of the artistic sphere are added to the list of main educational areas.