This is a problem for immigrants. For instance, in the schooling system in Quebec, we are told that secondary schools open their doors to young people at the age of 16 and even 18. However, many of those young people are behind in school when they come to Quebec because of the long immigration process and they are forced to drop out. When they arrive, they are placed in a lower level. They can no longer be with young people in their grade level since they are already older because the immigration process took so long. They are a bit frustrated because they were placed in a lower level and they are ashamed of being cast aside. As a result, they tend to become marginalized.
On February 7th, 2013. See this statement in context.