By Jayson Campadonia, KABC
Over 700-hundred thousand students, hundreds of faculty members, administrators and employees are heading back to the classroom. L.A. Unified is the second largest school district in the country behind the New York City Department of Education. L.A. City officials say people need to be prepared for more traffic on the roads and they want people to slow down in school zones as young kids are on the streets walking to school.