The phrase "disadvantaged backgrounds" means that someone comes from a situation or environment that puts them at a disadvantage. It suggests that they may have less opportunities or resources compared to others. Full definition
Loan repayment programs are also available to students from disadvantaged backgrounds who choose to work in any area of research. (sciencemag.org)
Students from economically disadvantaged backgrounds deserve the same opportunities at their peers from higher - income families. (americanprogress.org)
The program is designed for students from disadvantaged background who are interested in biomedical, behavioral, and social science health - related research. (sciencemag.org)