The share of students eligible for free and reduced-price lunch (FRPL) via meal applications is often used as a proxy for the share of students from low-income households at a school. But the recent adoption of universal meal programs, such as the Community Eligibility Provision, make it more difficult to consistently measure student poverty…

Most researchers and policymakers rely on the share of students eligible for free and reduced-price meals when describing student socioeconomic background in schools. But shares of students receiving free and reduced-price meals, and other measures related to the distribution of school meals, vary by state and across time because of changes in…