Does anyone know this Episode or Movie on Sci-fi?!

There's like five kids stuck in a class room, some jock guy(Zachery Tyler Bryan who played Brad from Home Improvement), this smart kid, this pretty girl, this religous girl(I think it was the black girl from Carrie, Kandyse McClure), and the trouble maker!. They're stuck in a room by this Reaper/Alien guy who tells them they can't leave the school unless they vote which ones gets to die so they can leave!. They find a portal, the Jock guy goes through it but comes back out through another door!. They find out the Troublemaker guy has a gun in his locker and they all get mad at him because he has their pics from the yearbook sketched out!. No one wants anyone to die but in the end, the badass kid votes the Religous girl to die!. She dies and everyone gets to leave but him!. The Reaper guy shows up, I forgot what else, the girl comes back to life, everyone in school is visible again but the kids who were stuck in the classroom look at the Troublemaker kid because what he did!.Www@Enter-QA@Com

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