Have a set price per semester hour that the college/university is allowed to charge.
Colleges/universities are free not to abide by this, but in that case they get zero federal funds, including research grants or student loans, and they get treated like a for profit which means no more tax deductible donations.
Once you set a limit on how much they can charge, the colleges will iron out the inefficiencies themselves.
Have a set price per semester hour that the college/university is allowed to charge.
Colleges/universities are free not to abide by this, but in that case they get zero federal funds, including research grants or student loans, and they get treated like a for profit which means no more tax deductible donations.
Once you set a limit on how much they can charge, the colleges will iron out the inefficiencies themselves.