Should cellphones be banned in schools?

Starting this fall, students at San Mateo High — just south of San Francisco — will be forced to hang up their cellphones during the school day. In June, legislators in California passed a law allowing the state’s school districts to implement their own phone prohibitions. Last year France banned all students under the age of 15 from bringing phones to school. And a phone ban in the Canadian province of Ontario is set to go into effect next month.