In the world's leading countries the problem of appearing of schools with bad learning outcomes where mostly children from families with a low socio-economic status go is regarded nowadays as one of the key problems in educational policy. In order to solve it, laws are passed and national strategies are adopted. This survey is intended to describe main approaches and problem solution tools that are used as part of national strategies. Its relevancy is determined by the fact that support of schools working in the challenging social context and performing poorly appeared on the agenda of the Russian educational policy. World experience of researches and practical interventions in the area under question may be useful for the national education.