SHERWOOD, Ore. - Parents know how much of a chore it is to get a child to sit still but one second-grade teacher may have found the solution. In Sari Hedges' classroom at Hopkins Elementary there ...

Enzo Delia, a second grader at Hershey Elementary School, sometimes daydreams in class. But all he has to do is roll back and forth a bit on his red bouncy ball to remind himself to focus, he said ...