They’re there before school staff arrive at work, when the bell rings between classes, and even at nighttime athletic games.The school district’s custodians not only clean up after more than 1,500 students, but also maintain the hallways and ensure everything is disinfected before the next school day.Needless to say, they pick up and dispose of a lot of trash. They often fill up their schools’ four or five dumpsters before the day is done.“The job title is to clean; have the schools cleaned,” said custodial foreman Angie Medrano. “Which means clean bathrooms, clean classrooms.”Medrano has been with the district for ...