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Schools are an important setting for addressing childhood obesity. A substantial portion of school-aged children’s daily food and caloric intake occurs within the school and after-school environment. About 30 million school-aged children consume school lunches every day, and almost 75% (21.8 million) of these children receive free or reduced-price lunches. Research in this area aims to understand how school and after-school food policies and environments can help improve the nutritional quality of the school meal environment, promote healthy weight status, and reduce nutritional disparities.
Research & Publications See all
November 2025
Legislative Health Note – Propositions LL and MM: Colorado Healthy School Meals for All
In 2022, Colorado became one of the first states in the nation to pass a universal free school meal program when Proposition FF created Colorado Healthy School Meals for All (HSMA). In May 2025, the Colorado General Assembly passed HB25-1274 to fully fund the HSMA program, which has been referred to two ballot measures in More
November 2025
Building a National Research Agenda
The Robert Wood Johnson Foundation’s (RWJF) commitment to child obesity ends in December 2025, marking the conclusion of a two-decade investment in Healthy Eating Research (HER). As part of our RWJF legacy, HER is developing a national research agenda for policy, systems, and environmental (PSE) interventions and strategies to promote food and nutrition security, optimal More
August 2025
Universal Free School Meal Policies and Participation in the US National School Meal Programs
This study aimed to examine the impact of federal- and state-level Universal Free School Meal (UFSM) policies and related policies on National School Lunch Program (NSLP) and School Breakfast Program (SBP) participation rates during and after the COVID-19 pandemic. This comparative effectiveness research study used a natural experiment created by the COVID-19 pandemic to analyze More
March 2025
Current State of Processed Foods in Schools
School meals play an important role in supporting children’s nutrition. Despite substantial improvements in the nutritional quality of school meals following the 2010 Healthy, Hunger-Free Kids Act, concerns remain regarding the level of processing of the foods served in schools. This may be due to growing evidence of potential adverse outcomes associated with ultra-processed foods, More