The aim of the study is to examine the methodological-theoretical construction bases for development mechanism of an integrated model for a specialist's training and teacher's conceptual-theoretical activity. Using the methods of generalization of teaching experience, pedagogical modeling and forecasting, the authors determine the urgent problems in specialist's preparing for current educational process. Furthermore, the research defines the requirements made to the development process of the future specialist's training model and the main determinants of functional maps of the pedagogical activity. The practical value is that the submissions may be used as a basis for future investigations on creating an optimal model of educational staff development.