This film emulates so many films that involve a similar subject matter, and yet somehow fails to capture the same wonderful elements of it's predecessors.
Perhaps one of the biggest flaws right off the bat is the quality of acting, particularly with the younger actors. One thing struck me during my viewing of this film, and that was how the leads looked more like Hollywood teens, and less like something you'd find in the backwoods where this is all taking place. I think it's very likely that the casting for this film revolved more around aesthetics than it did acting ability, which is a shame because much of this movie relies on the lead being able to convey his gradual build-up of rage and anxiety, and unfortunately falls quite flat in this regard.
So with the lead and the love interest just not up to par, this instantly undercuts a lot of the film outright. On top of that the build-up itself, which is just a few instances of your various 'High school sure if ruff' vignettes also leaves something to be desired. The pacing feels off with it. As in the intensity of each little scene does not constantly build, but rather wavers, ebbs and flows between mundane and tragic.
Though really the tragic thing is how much visible potential this film had. A lot could have been done with it, but what was done was not done well. When there're so many great films out there that tackle such difficult subject matter, it becomes really difficult to recommend this one.