The phrase "privileged background" refers to a person or group of people who have grown up with advantages and opportunities that many others do not have. Full definition
They discovered that students from less privileged backgrounds remain far less likely to participate in informal science learning experiences, such as school trips and museum visits. (sciencedaily.com)
The trouble is that all this seems to work just for students from more privileged backgrounds. (educationworld.com)
The aim of the project is to raise the academic and vocational aspirations of students of less privileged backgrounds who may feel that university is not for them. (schoolstogether.org)