There was a time when leaving school marked the beginning of adulthood. Even though this transition has now lengthened, the traditional markers of a successful transition remain the same: getting a good job, becoming a responsible citizen, establishing a household and having a family. Being either in full-time education or work, or a combination of both--in other words, being fully engaged in society--is a good indicator that a young person is on the right track. Some may take a different, less direct route towards achieving this but it is not necessarily a bad thing; they too may be involved in meaningful activities such as travel, or caring for children or others, or doing volunteer work. This research synthesis highlights what helps young people achieve a successful transition. (Contains a list of further readings.)