An investigation into the reasons why some teachers leave the profession, plus a look at the measures schools are taking to try and retain their staff. Thousands of pounds are wasted if new teachers can't cope with the demands of their jobs after completing training. In this programme, senior staff at three schools explain how they keep hold of good teachers. Some of the techniques used include providing early opportunities for promotion, backing teachers with a strong support network, offering the chance to take gap years and other perks to help the work-life balance.