Older movie, there is some war happening. And at least two teen boys hide in the mountains

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.

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

When his family moves from their home in Berlin to a strange new house in Poland, young Bruno befriends Shmuel, a boy who lives on the other side of the fence where everyone seems to be wearing striped pajamas. Unaware of Shmuel's fate as a Jewish prisoner or the role his own Nazi father plays in his imprisonment, Bruno embarks on a dangerous journey inside the camp's walls.

Jamie Graham, a privileged English boy, is living in Shanghai when the Japanese invade and force all foreigners into prison camps. Jamie is captured with an American sailor, who looks out for him while they are in the camp together. Even though he is separated from his parents and in a hostile environment, Jamie maintains his dignity and youthful spirit, providing a beacon of hope for the others held captive with him.

Documentary about the making of director Steven Spielberg's film Empire of the Sun

In a desolate war zone where screams of the innocent echo, on the very line between disaster and valor, 7 Maroon Berets will dance with death.

The heroic story of two soldiers trapped in an ambush, fighting for their lives.

Two teenagers are on their way to their secret hiding spot, a bunker from World War II. The tension in the relationship between the two youths is increasing as they stumble across an old rifle.

Four young kids who live in a village of military officers families, form a small gang. An old abandoned army base, located in the surrounding fields, turns into their camp. A war begins and most men are drafted. When the kids return to their camp they discover two soldiers who deserted their units, using their camp as a hideout...

So many films on the war show the "soldier away from home" point of view, but what happens to these young boys here, before they leave to fight? What conflicts do they face?