Following on from the playing out discussion on another thread I wondered at what age and how people start to introduce independence for their children. Round here kids seem to get walked to school (v small catchments- generally 5 mins away) until y5 or y6 but then often travel by bus or train to secondary school. My dd1 is a way off that yet but it seems quite a big leap and I don't currently imagine her being ready to travel by public transport alone in 5 years' time. How do people build up to it? What age would your kids be allowed to walk to/from school?