Continuity mistake: When the balls start to bounce of the shelves, in one shot a basketball hits some tennis rackets which are hanging on the wall and a few of the rackets fall off the wall, but in the next shot the tennis rackets are hanging back up on the wall. (00:33:05)
Continuity mistake: When the bus starts to stop, a load of people get up from their seats and walk to the bus doors. But in the outside shot of the bus as it stops, nobody is standing up, and everyone gets up once again, heading for the bus doors. (00:01:40)
Continuity mistake: When Jesse's dad is talking about the air conditioning in Jesse's room, Jesse's sister puts the cereal box on the table. Then in the next wide shot she has the cereal box back in her hands, then puts it back on the table once again. (00:07:00)
Continuity mistake: When Jesse and Lisa first arrive at the boiler room factory, Jesse says to Lisa "How long has it been closed down?" And then Lisa replies. To the left of them you can see a large machine, which Jesse and Lisa are standing well away from. But as the shot changes, they are now standing right beside the machine. (00:42:20)
Continuity mistake: When the bus starts to speed up, it passes a stop with some people waiting there. There is a little girl on a tricycle waiting, and she is pointing to the bus, but in the next shot of her, her hand is down. (00:02:25)
Continuity mistake: At breakfast, when Jesse's sister goes to sit where Jesse is about to sit, Jesse says "No!" to her and she sits back in her chair, still trying to get the plastic claws out of the cereal box. As she tries to get the claws out, she is holding the top of the cereal box with her left hand. Then in the next closeup of her, her hand is down by her side. (00:06:40)
Continuity mistake: When Jesse and Lisa are reading Nancy's diary, Lisa reads the first entry and it says all about Nancy dreaming of Freddy. The next entry that Lisa reads is about Tina being killed.If you remember in the first Nightmare, Nancy does not find out Freddy's name until after Tina is dead. The entries in the diary are not in order. (00:21:15)
Continuity mistake: When the baseball hits Jesse in his head you see the ball hitting him on top of his head and bounce to the left. When it cuts the ball seem to hit him in the back of his head and fall straight down behind him. (00:08:35)
Continuity mistake: When Jessie meet Freddy for the first time you see no light on Freddy's face. But when it cuts there is light around Freddy's eyes.
Continuity mistake: Lisa's shoes change between white flats and white sneakers at different points during the last few scenes.
Continuity mistake: In the start of the movie, depending on the scene, the words on the bus change between "schoolbus" and "school bus".
Continuity mistake: At the end of the movie when the bus is driving through the desert, there are almost no passengers in it even though it was half full before. (01:18:50)
Continuity mistake: After Schneider is tied to the showers he is stripped and we see him being smacked with towels across his bare butt. When the last towel hits him there is shot of him writhing in pain and he's still wearing the black leather pants he had on earlier.
Continuity mistake: When the basketball shoots out for Schneider it is brown, when it hits him in the head it is white, and when it lands on the floor it is brown again. (00:33:30)
Continuity mistake: When Freddy is about to strike Lisa you see him raise his hand high up. In the next shot his hand is in face level only. (01:12:20)
Continuity mistake: Right before the snake comes over Jesse's shoulder, you see him sleeping with his mouth closed. When it cuts it is open, and then again it is closed. (00:16:20)
Continuity mistake: Right before Freddy rips his scalp off, he's holding his hat at head level. When it cuts to showing him in front, the hat is no longer to be seen. (00:14:35)
Continuity mistake: When Jesse's sister gets the plastic claws out of the cereal box, she places them on her left hand. In another shot they are on her right. (00:07:10)
Continuity mistake: While in the classroom when the teacher says "just like the human heart" you see Jesse supporting his head with his hand. When it cuts to a closeup of Jesse, you see the way his hand is supporting his head has changed. (00:15:55)
Continuity mistake: When the two boys are told to assume the position, the amount of grass on their tops changes between camera angles.
Answer: I think the coach's death was a play on his character being at a S&M bar. People who frequent those places are usually into bondage and being dominated. Hence being tied up, and whipped with the towel. It also fits in with the homoerotic subtext throughout the movie.