 The rules apply to foods and beverages sold on all public school district campuses during the day.They limit vending machine snacks to a maximum of 200 calories per item.Additionally, all snack foods sold at school must meet competitive nutrient standards, meaning they must have fruits, vegetables, dairy or protein in them or contain at least 10 percent of the daily value of fiber, calcium, potassium, and Vitamin D. In order to comply with the Healthy, Hunger-Free Kids Act of 2010 all US public school districts are required to raise the price of their school lunches to $2.60 regardless of the actual cost of providing the lunch.