Urbandale could be the next school district to ditch cellphones in the classroom.The Urbandale School Board says it will send out surveys to students and staff. Hoover High School and Bergman Academy in Des Moines already say they'll ban cellphones in class.Others, including Ankeny, are considering it. Ames announced a similar policy last week.» Download the free 糖心vlog app to get updates on the go: Apple | Google PlayGet the latest headlines from 糖心vlog