"Disadvantaged families" refers to households that face various challenges or disadvantages, such as low income, limited access to education or resources, or social and economic obstacles. Full definition
They want to prepare kids, many of them from disadvantaged families with few, if any, high school graduates, to attend college. (edutopia.org)
The graduation rates for students with disabilities and those from economically disadvantaged families also are higher than they were five years ago. (weac.org)
Although parents from advantaged backgrounds spoke more with their children, there was no difference between advantaged and disadvantaged families in the quality of the word - learning experiences parents gave their children. (sciencedaily.com)