The article thoroughly describes the competency-oriented models of professional self-improvement and self-realization of teachers in terms of sustainable development. The educational and methodical support of professional development of teachers for lifelong learning through formal, non-formal and informal education according to innovative competence-oriented models of professional development has been developed and experimentally tested. The results of the study can be used in the process of modernization of the national education system, in particular in the activities of educational and methodological centers of vocational education in the development of curricula, educational programs, qualification requirements for professional activities of teachers, innovative teaching and methodological support.