The nation's school meals will get a makeover under new nutrition standards that limit added sugars for the first time, the U.S. Department of Agriculture announced Wednesday.

First-graders at John B. Wright elementary school in Tucson bounced into the brightly lit lunchroom, chattering with friends ...

That said, what looks like a positive change is actually quite complicated. There are a lot of rules already in place around school meals—and those rules, even when made with the best of intentions, ...