Nothing wrong with any of those foods. Just get the kids out into the schoolyard and stop worrying about lawyers, chipped teeth and skinned knees.
I think the obesity problem in children has far more to do with the lack of activity than with what’s in their school lunch.
A few years ago I was talking with a mom who was concerned because her 7-year-old had put on quite a bit of weight over the previous six months. Then she told me that he had been given a video game system for Christmas. When I told her that, well, there’s your problem, she looked at me as if I’d grown another head. I had to spell out the dramatic decrease in physical activity her son had had since getting the game system before she understood what I was telling her.
I talked with another lady recently who expressed concern about her grandson’s weight. She didn’t have to be told what was causing his problem. She has a daughter-in-law who is a bit of a nut case. DIL won’t let the grandson play outside. Period. He’s about 10 but she lives in great fear that if he spends any time outside he’ll be kidnapped. According to grandma, they have a fenced back yard, with a dog, but the kid isn’t even allowed to go out there. Mom, of course, is too busy to go outside with the kid or to take him to the park or anywhere else to play, so he’s cooped up indoors all the time.
Add the lack of physical activity to the lack of eating actual food- at home, not at school- and of course kids are bigger.