Recently, there is more and more evidence that the success of the education systems of the leading countries of the world is explained primarily by the quality of teacher training, the rigor of selection of personnel for teaching and the status of a teacher. Neither the amount of money invested in education, nor the size of the country, nor the indicators of equality of educational opportunities showed such a strong correlation with student outcomes as the quality of the teaching staff. An analysis of the experience of countries that have achieved high indicators of the quality of education through the development of the capacity of their teaching staff may be of great interest to our country .