As taxpayers, parents and educators debate the value of public preschool for every child, a new study by UC Berkeley and Stanford researchers finds for the first time that middle-class children -- not ...

Jeannie Kuhner of Deer Park has a PhD, so she figured helping her son, Christian, 5, do his kindergarten math homework would be a slam dunk. “But I’m floored by some of the questions,” she says. Take ...