Izebella DeLeon (left) and Sujeily Zepeda (Chicago Police Department)

The Chicago Police Department has issued missing persons alerts for 15-year-olds Sujeily Zepeda and Izebella DeLeon, who were last seen Friday outside Amundsen High School, where both are students.

Roberto Clemente Community Academy High School in Chicago. (WTTW News)

Whether to keep cops in schools has been a controversial subject for years. With Chicago Public Schools back in session, we hear how some high schools made the choice to remove or maintain the police presence in their hallways.