There are things I like but there's a lot I don't like. For one thing, the cops aren't good at their jobs - which is fine, but it should be addressed a little more directly if it's intentional.
I did like the way they made us hate that teacher and then right as they pull the rug out from under those feelings, they have him beaten within an inch of his life.
Just once I'd like to see criminals or "reformed" or "ex-" criminals say "yeah, the cops suspect that this guys did it, but since when do we respect them or think they're so great? They're probably wrong, so let's not just act like dumb animals."