A survey of a random sample of cafeteria managers in public schools nationwide that participate in the National School Lunch Program. Includes the managers' perceptions on: the extent to which plate waste is a problem, the amount of plate waste by type of food, & reasons for & ways to reduce plate waste. This report determines whether the perceptions differed by their school's level (elementary, middle, or high school), their school's location (urban, suburban, or rural), & the proportion of their school's lunches served free & at a reduced price.