TY JOUR TI The development of Professional Flexibility for Teachers of Supplementary Education in the View of Introduction of New Professional Standard KW professional standard KW professional fl exibility of the teacher of compulsory education KW constant professional development KW lack of professional skills. JO Profession-Oriented School AU Malahova, N.N. AU Sinenko, V.Y. AU Pohorukov, O.Y. AU Slavgorodskaya, M.V. PY 2018 IS 6 PB INFRA-M Academic Publishing LLC.