Full-day kindergarten brings portable classrooms to schools

Davidsonville Elementary School was rebuilt just six years ago, but already two portable classrooms - or "learning cottages," as they're called at the school - are parked beside the building.

Like Davidsonville, many of the schools were built for traditional half-day kindergarten classes. But this fall, when the schools are required by the state to offer full-day kindergarten, they'll have to find room for twice the previous number of kindergartners.

"The biggest issue has been that it has created a space crunch in our...