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The most recent School Food Purchase Study provides national estimates of the types, amounts, and costs of foods acquired by public school districts participating in the National School Lunch Program during School Year (SY) 2009/10. It also includes a comprehensive analysis of the nutritional characteristics of foods acquired by these school districts. This report presents findings about the calories, nutrients, and food groups available for use in school meals and other school food programs, including a la carte foods, and the extent to which school food acquisitions are consistent with the Dietary Guidelines for Americans and associated food guidance system.