Why is that a loss? Because states are still obligated to report the performance of economically disadvantaged students, who historically lag more affluent peers. So, there has to be a way to identify such students. The question is also important to researchers who focus on how schools can improve educational outcomes for children from low-income households.
“New measures could include existing data on participation in means-tested programs, such as food stamps and Medicaid, or direct measures of socioeconomic status collected by states through new links between administrative data systems,” says Chingos.