I envisioned a system like this while prepping for the MCAT. Put in terms of the SAT: Up front I pay $x dollars into an account, where $x is some amount that I

I envisioned a system like this while prepping for the MCAT. Put in terms of the SAT: Up front I pay $x dollars into an account, where $x is some amount that I find appropriate for break-even given an SAT practice test, your GPA, and some demographic info. For every 10 points below 2400 that you score on the real thing, my obligation to you is reduced by $y. If you score too low, you owe me. This would only really be effective if the student had the ability and time to do extra prep for the test, etc. And it would do nothing to resolve the underlying flaws of the exam itself.