By ANDREW MARTIN Published: September 5, 2007 As students return to school this week, some are finding unusual entries on the list of class rules: fewer fried foods, smaller servings and no cupcakes. School districts across the country have been taking steps to make food in schools healthier because of new federal guidelines and awareness that a growing number of children are overweight. To read the whole article, go to: http://www.nytimes.com/