Corrected entry: Near the beginning, the kid in the tan jacket says, "6th graders." Later in the episode, when Gus makes his stand to King Bob, the same kid says the same thing. It's the same shot, as you can tell by his mouth movements.
Corrected entry: When Gus steps on the bus, he is pointed to the back seat, which has a "New Kid" sign over it. The back seat cover the whole back of the bus, whereas in the middle, there should be an emergency exit door.