An increasingly cozy alliance between companies that manufacture processed foods and companies that serve the meals is making students — a captive market — fat and sick while pulling in hundreds of millions of dollars in profits. At a time of fiscal austerity, these companies are seducing school administrators with promises to cut costs through privatization. Parents who want healthier meals, meanwhile, are outgunned.

Each day, 32 million children in the United States get lunch at schools that participate in the National School Lunch Program, which uses agricultural surplus to feed children. About 21 million of these students eat free or reduced-price meals, a number that has surged since the recession. The program, which also provides breakfast, costs $13.3 billion a year.

Sadly, it is being mismanaged and exploited. About a quarter of the school nutrition