The article deals with revealing the essence and structure of Masters' of Public Administration professional training in the USA. It has been concluded that Public Administration studies the realization of government policies and trains future public administrators for professional activity; is guided by political science and administrative law; aims to improve the justice, equality, security and efficiency of public services. It has been indicated that the MPA degree is dedicated for those willing to work in public sector. It has been found out that MPA programs are designed to develop the abilities, skills and methods specialists use to realize policies, programs and projects as well as to resolve crucial issues within their organization and/or in society. It has been stated that in the United States of America Master of Public Administration (MPA) and Master of Business Administration programs (MBA) are quite similar, however, have certain differences. It has been defined that the MPA program focuses on different ethical and sociological criteria secondary for business administrators. Simultaneously MPA programs encompass economy courses to supply students with knowledge of microeconomic and macroeconomic issues. It has been specified that MPA programs are built on a range of core competencies defined by the Network of Schools of Public Policy, Affairs, and Administration (NASPAA). The list of the core competencies (to lead and manage in public governance; to participate in and contribute to the public policy progress; to analyze, synthesize, think critically, solve problems and make decisions; to articulate and apply a public service perspective; to communicate and interact productively with a diverse and changing workforce and citizenry) and their detailed characteristics have been presented. It has been identified that cultural competency of future public administrators has become an essential constituent of public affairs curricula. It has been concluded that the above-mentioned positive aspects of the experience may be used to improve future public administrators' professional training in Ukraine.