Outwalkers — Fiona Shaw

In a frighteningly real near future England, Jacob escapes from the Academy orphanage to reenter a world that is grimly recognizable. The Coalition can track anyone, anywhere, from a chip implanted at birth. Now Jacob must fulfill his promise to his parents, find his dog, Jet, and navigate his way out of England. Their only hope is a band of children who have found a way to survive off the grid: The Outwalkers. Their rules are strict, but necessary if they're going to get out alive...