But for every Alan Sugar there are hundreds or thousands of other non graduates whose career prospects are limited by their lack of a degree.
The phrase 'career prospects' is interesting. It is something that nowadays seems to be a requirement of all people in work. But many people do not want - and
know they do not want - to study more, take on responsibilities, etc and are happier in the work they are doing. As a teacher, you will know how, in a class or group, there are always those children who are leaders and others who are not. All should be encouraged to do their best at whatever they choose to do, but not criticised* for not wishing to do things they know would make them too stressed.
* not quite the right word, but can't think of a milder one