This movie failed because half the people killed in this movie were random school staff or students who we know nothing about. One person is introduced for 5 minutes or so and then killed, then onto another random new personrinse, repeat lol.
We have no idea about the hoodies either and the movie didn't have any intention to give us any clue either. The ending was just as crap as the entire film and they didn't even try to bring about a conclusion.
He who sacrifices freedom for security deserves neither ~ B. Franklin

The worst part is how perfect a school is in terms of setting a slasher flick. When I read the plot I thought: finally, a movie using what's laying around a school to kill people! Think of it: scissors, pencil sharpeners, paper cutters, glue, rulers, the possibilities are endless. Instead we get people in zip ups with knives they brought in from outside.
Don't get me wrong, i've see worse movies, and this does get better towards the end with some good makeup. But the opening, pacing, acting, and lack of fruition in terms of plot left this at about a six out of ten. What I don't get is peoples hatred towards the ending, it seemed like a pretty standard one to me. Everyone but he and his daughter are dead, he chose to save her life and have her hate him over saving his wife, end of movie. What's the problem?
"Did you mean for all those words to come out like that or did they just fall out randomly?"-H.H.

She was actually a teacher.
But yea, why would they kill her? Why did they kill anybody for that matter? There was no motivation at all, they didn't even come close to explaining why these kids went on a rampage. If it had been that kid coming back to kill the teacher then that would have at least made a slight amount of sense.
But no, we are supposed to believe that not only are these hoodies ninjas, they also simply enjoy murdering people in the most horrible of ways. For no reason.

Who would have guessed it, we all have different opinions about subjective things!

I know! I kept wondering if that school taught a class on jumping up on stuff and being stealthy! Which then made me think that they all got their just desserts if that was the case.
Except for the fit girl (treadmill) - Why would anyone (especially teenage ninjas) want to kill a hot teenage girl? I can kinda see the teachers and especially the principal being targets but her?
I dunno
The movie had a lot of potential but left me a little disappointed
and it saddens me.