Longer lines in the cafeteria and shorter lunch periods mean many public school students get just 15 minutes to eat. Yet researchers say when kids get less than 20 minutes for lunch, they eat less of everything on their tray. iStockphoto hide caption

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A school lunch tray featuring whole wheat tortillas at the School Nutrition Association conference in July 2014. The association is asking Congress to relax the federal school nutrition standards in hopes of attracting more kids back to the school lunch line. Charles Krupa/AP hide caption

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In some Indian states, efforts to serve eggs to malnourished children are a political minefield. See the related animation, "Power Lunch: India's Mid-Day Meal Program," produced by Mathilde Dratwa for the Pulitzer Center and based on Rhitu Chatterjee's reporting. Lisa LaBracio/Courtesy of the Pulitzer Center hide caption

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Texas' agricultural commissioner wants to do away with a decade-old ban on deep fryers and soda machines in schools. Josh Banks/iStockphoto hide caption

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Freedom With Fries? Texas Official Wants Deep Fryers Back In Schools
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Dakota Valley Elementary School kitchen manager Della Curry said she "knew the whole time it was a firing offense" to give out free lunches. iStockphoto.com hide caption

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Lunch Lady Knows There's No Quick Fix For Feeding Hungry Kids
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Frito-Lay reformulated Flamin' Hot Cheetos, a perennial favorite among school kids, to meet new federal "Smart Snack" rules for schools. Meredith Rizzo/NPR hide caption

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Guess What Makes The Cut As A 'Smart Snack' In Schools? Hot Cheetos
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A lunch served by the Yarmouth, Maine, School Department on Sept. 26, 2014, featured Sloppy Joe's made with Maine beef and local beets, carrots, apples and potato salad. More than 80 percent of Maine schools said they served local foods in a survey conducted by the USDA. U.S. Department of Agriculture/Flickr hide caption

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A baked potato with toppings on a lunch tray at a school in Wisconsin. Students are less likely to eat fruits and vegetables if they're rushing to get to recess, researchers say. Micheal Sears/MCT/Landov hide caption

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Erica Johnson prays before her meal. She volunteers at the food pantry at John Still school where three of her four children are students. She eats alone after she feeds her kids. Andrew Nixon/Capital Public Radio hide caption

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Beyond Free Lunch: Schools Open Food Pantries For Hungry Families
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When it comes to salty french fries or pizza served at lunch, schools may get more time to dial back sodium content, thanks to a provision in the federal spending bill headed for a vote on Capitol Hill. Joe Raedle/Getty Images hide caption

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Students are given healthy choices on a lunch line at Draper Middle School in Rotterdam, N.Y., in 2012. To keep students from tossing out the fruits and vegetables they're served, researchers say it helps to give them a choice in what they put on their trays. Hans Pennink/AP hide caption

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Students Dakota Gibson (left) and Gary Barber with school volunteer Kenny Thompson after their StoryCorps interview in Houston, Texas. StoryCorps hide caption

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Giving Every Kid Equal Standing In The School Lunch Line
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Patrick McCoy (right) and Harry Fowler of Schwan's Food Service show off their company's Big Daddy's pizza at the School Nutrition Association's national conference in Chicago in 2007. Brian Kersey/AP hide caption

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Lobbyists Loom Behind The Scenes Of School Nutrition Fight
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Suzy Amis Cameron, wife of director James Cameron, and gardener and educator Paul Hudak inspect seedlings in the MUSE School CA greenhouse in Calabasas, Calif. Amis Cameron, who founded the school with her sister, wants the school menu to be entirely plant-based by fall 2015. Eliza Barclay/NPR hide caption

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Currently, half of all products served in the school lunch program must be "whole-grain rich," which USDA defines as products made of at least 50 percent whole grain. According to the new standards, by the start of the next school year, schools must use only products that are whole-grain rich. Rogelio V. Solis/AP hide caption

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First lady Michelle Obama has been doing a lot of high-fiving with schoolchildren like these in Dallas to promote healthful lifestyles. Now she's diving more deeply into the politics of school lunch. LM Otero/AP hide caption

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First Lady Fights To Keep Healthful School Lunch Law Intact
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Michelle Obama eats lunch with school children at Parklawn Elementary School in Alexandria, Va., in 2012. The first lady unveiled new guidelines Tuesday aimed at cracking down on the marketing of junk food to kids during the school day. Saul Loeb/AFP/Getty Images hide caption

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