Just make the schools free for all, and collect with higher marginal income / wealth taxes.
It should not be dependent on parents’ status either. I got zero aid due to my parents, but I also got zero from my parents.
- accepting fewer students (having strict requirements).
- failing students out in early classes (fewer opportunities to retake classes).
- more professionally focused and shorter curriculum.
- less class and subject choices
- the degree commanding significantly less earnings
For whatever reason, the best students seem to end up at a few top European schools (like Oxford) or go to the US.