kid kills another kid that made him suffecate with pebbles

When their plane crashes, 25 schoolboys find themselves trapped on a tropical island, miles from civilization.

Following a plane crash a group of schoolboys find themselves on a deserted island. They appoint a leader and attempt to create an organized society for the sake of their survival. Democracy and order soon begin to crumble when a breakaway faction regresses to savagery with horrifying consequences.