More than 500,000 students in the Los Angeles Unified School District began a new school year Thursday with concerns and fear amid the ongoing immigration raids.

Los Angeles area students are returning to class under a cloud of apprehension after a summer of immigration raids and amid worries that schools could become targets in the Trump administration’s aggressive crackdown.

The immigration worksite raids in June and the smaller number of street-level stops in the following weeks have not brought Los Angeles to a standstill. But it is a city diminished.