As concerns over student-police relations rise nationally, data shows 40 percent of LA school police citations go to kids 14 and under.

Los Angeles schools have the largest school police force in the nation, with officers issuing thosands of tickets every year to students.

Public radio, the Center report on L.A. school police ticketing that federal education officials are now scrutinizing.

L.A.'s school police chief said his department didn't have the ability to analyze the ages, ethnicity, grade level of students ticketed.