> You should measure the satisfaction of the students.

> Because the most valuable asset a developed country needs to protect is the will of the members of their society to keep improving and learning.

But if they aren't actually improving and learning, their satisfaction and desire to continue with what they were getting isn't desire to keep improving and learning.

Self-improvement theater is as much a thing as security theater, and it's something we probably want to be able to distinguish from actual education.