Scientific research problems of results of professional training of administrators and managers by the integrated thematic direction “Theory and methodology of organizational-communicational support of professional training of future specialists in public administration and managers at higher educational institutions” in the National pedagogical university, named after M.P. Dragomanov within state budgetary scientific works “Theory and technology of studying in the system of professional education” and “Theoretical and methodological bases of forming the system of postgraduate education, based on sustainable development” has been realized. The theoretical analysis of scientific literature has been conducted for determining the potential of methodological support, most reasonable methods of its realization (theoretical, general scientific and concrete scientific, empirical and statistical) have been established. Methodological possibilities of using means of information-analytical, technical and scientific-metrical support, graphic-demonstration ones on different information carriers, video-visual, multimedia, distant, instrumental-laboratory, scientific-methodical and technical-regulative, scientific-worldview, concrete scientific, disciplinary and interdisciplinary, scientific cognition in the sphere of state management and public administration, pedagogical, natural sciences, empirical and statistical ones and humanities have been analyzed. Methodical recommendations have been offered and a plan for studying professional training of future specialists in public administration and managers at higher educational institutions has been formed as following: methodological substantiation of the competence approach under conditions of information society of advanced knowledge; information-methodological support of organization of the educational-scientific process of professional training of future specialists in public administration and managers; elaboration and verification of a projected organization model of socio-cultural forms of professional training of future specialists in public administration and managers by pedagogical research stages: cameral, diagnostic-screening, ascertaining, forming and expert