An icon in the shape of ... Nicolette Raney's third-grade classroom eagerly waited for Wednesday in the woods or Tuesday in the trees. This year, her students won't have to wait.

Alexandria Country Day School in Alexandria, Virginia, appears to be one of the first schools in the United States to provide adjustable standing desks in every middle school classroom.

The new program will expand the offerings for one classroom each of 4th-and-5th-grade students, with a curriculum based around nearly full-time outdoor learning. It was described by the district ...