We should keep higher education free to improve social mobility.
Charging for education excludes those who cannot pay for it.
In recent years there has been a push to improve not only people's physical health, but also their mental health. Increasingly, studies suggest that our financial health can have a big impact on our mental health; as those with the least money report more feelings of anxiety and depression  If debt can lead to psychological problems, then fees may not only harm student's opportunities but also their health.
Even though the current system effectively means that those who earn below £21,000 will not have to pay back their student loan, simply the thought of such a crushing debt can be problematic. For those who have to borrow the entire sum of their fees, and whose parents cannot contribute financially, such a debt burden in itself is problematic. There are frequent reports of students who have claimed that the quantity of money they owed deepened their mental health issues.
Whilst debt and depression are linked, often depression can lead to an accumulation of debt from poor decision-making [
P1. Debt causes depression and anxiety. P2. Tuition fees create debt. P3. Ergo, tuition fees cause depression and anxiety.
If premise one is false, in that depression causes debt rather than vice versa, then this could be disproved.