There's been a fall in the number of students already accepted for university places, down 7% this year, compared with 2011.
There are various reasons for this, such as tuition fees - now up to £9,000 a year - putting teenagers off higher education.
So what are the options for students who know that university isn't for them? Liz Wickham has been finding out.
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Mr Khan said the image of an Asian woman on a see-saw with an aggressive finger-jabbing white skinhead reinforced stereotypes.
The Central Line's from Essex, the Bakerloo Line is beginning to show its age and the Piccadilly Line is tourist glad to be in London.
The bitter war of words goes from bad to worse.