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Resource | Research and Data Summary of Peer Review Comments on Food Pattern Modeling Conducted by the 2025 Dietary Guidelines Advisory Committee

The 2025 Dietary Guidelines Advisory Committee conducted Food Pattern Modeling analyses across 12 protocols with support from staff from USDA’s Nutrition and Economic Analysis Branch within the Food and Nutrition Administration, Center for Nutrition Policy and Promotion.

01/20/2026
Resource | Research and Data | Food/Nutrient Analysis Added Sugars in School Meals and Competitive Foods

This report responds to the Consolidated Appropriations Act, 2021, which directs the FNA to provide a report on the amount of added sugars in school meals.

08/11/2022
Resource | Research and Data | Assessing/Improving Operations School Nutrition and Meal Cost Study

This study is the first nationally representative, comprehensive assessment of the school meal programs since the updated nutrition standards for school meals were phased in beginning school year 2012-2013. A study methodology report that describes the study design, sampling and data collection and a summary report that provides a brief overview of the study and key findings from the various reports are also available.

10/19/2021
Basic page Researcher

The Dietary Guidelines for Americans is jointly issued and updated every 5 years by the Department of Agriculture and the Department of Health and Human Services. The Dietary Guidelines is used to inform the development of Federal food, nutrition, and health policies and programs and provides advice on healthy eating for the public.

01/06/2021
Resource | Research and Data | Food/Nutrient Analysis School Nutrition Dietary Assessment Study IV

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. 

12/12/2012
Resource | Research and Data | Food/Nutrient Analysis School Nutrition Dietary Assessment Study III

FNA sponsored the third SNDA study to provide up-to-date information on the school meal programs, the school environment that affects the programs, the nutrient content of school meals, and the contributions of school meals to students’ diets. Data were collected from a nationally representative sample of districts, schools, and students in school year 2004-2005. The nutrient content of school meals offered and served was compared to USDA’s current regulatory standards.

11/26/2007
Page updated: June 02, 2026