This report summarizes findings from the fourth School Nutrition Dietary Assessment Study, which collected data from nationally representative samples of school districts and schools in school year 2009-10. 

The analysis conducted in this study builds on these two strands of the literature and uses three alternate definitions of breakfast: Consumption of any food or beverage. Breakfast intake of food energy greater than 10 percent of the Recommended Dietary Allowance (RDA). Consumption of foods from at least two of five main food groups and intake of food energy greater than 10 percent of the RDA.