In the article the peculiarities in organization of postgraduate teacher training in foreign countries have been highlighted; the basic problems and prospects for advanced training which stipulate for reforming the relevant national systems have been revealed; common and distinctive trends in their development have been justified. In Russia there is a cascade (cyclic) system of teaching staff advanced training, based on the principles of andragogy, namely, continuity, self-control and self-analysis of professional activities by teachers and the use of their own experience during the advanced training. The abovementioned system consists of three phases such as pre-course, course and implementing. Each element of this model is a constituent part of the other, providing cycling and growth. Tasks for teachers are grounded on all the phases of the described system and influence their professional development. In the Republic of Kazakhstan there are three basic systems for teaching staff advanced training, namely, centers of educational excellence at the "Nazarbayev Intellectual Schools", JSC "National Centre of Teaching Staff Advanced Training" (based on RIPKSO and 16 regional teaching staff advanced training institutes), teaching staff advanced training centres at universities and experimental sections. According to the defined module in the terms of the complex 3-month courses combining face-to-face and online training are provided. In the USA advanced training is provided by multilevel higher educational institutions which offer a wide range of different full-time and distance training programs and some programs are taught directly in educational establishments. The content of advanced training is determined by standards of professional pedagogical education according to the educational program and provides for fundamental, psychological, pedagogical, methodical, IT, practical, social and humanitarian training. Teaching staff advanced training in Canada is provided by various educational establishments, departments of education, school boards, regional centers of education, teachers unions and private providers of professional development services.