Sarah Bowman talks on a cell phone at Rock Bridge

December 9, 2008 | 5:34 p.m. CST
Sarah Bowman, a sophomore at Rock Bridge High School, talks on her cell phone on Dec. 2. With her is Kyle Sherman. Students are allowed to use their cell phones any time in cell phone zones, which include the cafeteria, commons area and designated hallways.

RELATED STORIES: Columbia schools change with technology