 Not having certified teachers in every classroom. Having trouble getting bus drivers. The behavioral issues in the classrooms. Teachers getting burned out. Not having certified teachers in every classroom. As I said, the staff shortages. The attendance issues. You know, just because a kid comes back to school after missing five days doesn't mean they're immediately, well, what happened over those last five days? Are they caught up? Are they behind? How's the teacher manage that? I mean...