By the time bus driver Jesus Banda pulled up to Cesar Chavez High School, the warning bell had already rung.
At about 8:40 a.m. Tuesday, his bus was the last to arrive, carrying about a dozen students to the North Stockton school where classes had started 10 minutes earlier.
This sort of tardiness isn’t supposed to occur. But it’s become a regular issue, and not just for him. Across Stockton Unified schools, drivers have said for weeks that their buses have been continually running late. They say that the delays are compounded by poor communication and route planning from management at the district’s transportation department…