They'll kill off two mains, 2 sides and the killer by the end of season 2.
My recommends are, kill of Eli, he's a retarded character, kill off Mr Branson, get rid of the prankster chick from the 1st episode and kill off Brooke's dad.
Reveal Kieran to be the other killer and kill him off.
By season 3 we'll have
Audrey/Emma/Noah/Brooke/Gustavo/Zoey/Emma's Mom/Gustavo's Dad #Scream
By Season 3 is up the ante and kill Noah or Audrey in the 1st episode, for shock factor.