Craig Mathieson set up Polar Academy to take shy and unaspiring children and turn them into role models. Each year he chooses ten teenagers, lacking in confidence and low on self-esteem, and takes them on a gruelling ten-day expedition to Greenland. Craig was inspired to travel to the South Pole after reading accounts of polar explorers as a boy. In 2006 he took a teenager to the North Pole and saw how his life was transformed. This year he is working with Bathgate Academy, where 200 pupils signed up for the chance to join the team. From the initial 200, 20 have been selected to be put through a tough training programme before being whittled down to the final ten who will go to Greenland. Craig is looking for the children who will benefit most from the experience, those who will come back with stories to inspire a whole generation of teenagers. He calls these children 'the invisibles'. Neither the high achievers nor the disrupters, they often pass through school unseen and never get the opportunity to shine. For a year these children undergo a tough training programme. High-intensity fitness training builds up their strength for the tough expedition ahead. Their next test is at Napier University where they are put into an environmental chamber to simulate the extreme cold temperatures they will face in Greenland. But there is concern for one of the team after she picks up an injury playing football, and doubts over whether she will be fit in time for the expedition. The teenagers return to Glenmore Lodge to learn navigation skills and camp craft and meet the team who will guide them in Greenland. Craig has picked some of the country's best mountain guides to keep his team safe. Nigel Williams is an expert on map reading, George MacHardy is a former Royal Marine and mountain expert, Naomi Dodds is the team doctor and an experienced expedition leader, while Mollie Hughes, Craig's newest recruit to the team, is the youngest woman to have climbed Mount Ever