A study by economists shows a wide gap between the kinds of math problems kids who work in retail markets do well and the kinds of problems kids in school do well.

Lopez, 55, “has been checking in on Ben throughout this whole ordeal” and “let him know she’s there for him and the kids,” the source said, referencing Violet, 18, Seraphina, 15 ...

Stronger math skills could be the result of all the other things that wealthier and more educated parents are giving their kids — nutritious meals, a good night’s sleep, visits to museums and ...