"Some kids just need it," the principal told me, with a look on her face that said she understood that need. We were standing in a doorway during the school open house, talking about some of the things the school offers that are so beneficial for my children.  One of those things is giving students the choice to have "quiet lunch" - meal time with just a few other students in a classroom, away from the cavernous cafeteria-slash-auditorium that teems with boisterous students. It's was a new program this fall, and both of my kids joined in.  Over the last five years, my son has complained many times about how loud the cafeteria can get. So loud that he has to yell to be heard, so loud that the principal has walked down from her office to deliver admonitions and a warning glare. Like his mother, my son finds it overwhelming and distressing to be in noisy or chaotic places for too long; it was no surprise to me when he said he signed up to have "quiet lunch&quo