"The overall student debt is around £75 billion. It's a meaningless number as most student debt will not be paid off. "

If that is the case, why are we wasting the money in trying to educate these people? Why is the debt not being paid? Are there simply not enough highly paid jobs to go round? Are they too stupid to pass the exams? Are the courses not designed for the work available? Are too many dropping out early?

We need to know.