Content conceptualization and issues of solving the education system development tasks for the purposes to achieve sustainable development of the region social areaE.V. Bezvikonnaya, А.V. Bogdashin, T.S. Volokh and E.V. PortnyaginaE3S Web Conf., 296 (2021) 08013DOI: https://doi.org/10.1051/e3sconf/202129608013