The U.S. Department of Agriculture (USDA) Food and Nutrition Service (FNS) administers the school meal programs that provide nutritious, lowcost meals to about 30 million children each day, according to USDA fiscal year 2019 data. School food authorities participating in the National School Lunch Program or the School Breakfast Program must comply with the Buy American provision, which requires them to buy domestic foods and food products to the maximum extent practicable. The US Government Accountability Office (GAO) was asked to review implementation of the Buy American provision in school meal programs. This report examines how school food authorities used exceptions from the Buy American provision and the extent to which USDA supported states and school food authorities in implementing the Buy American provision.