Competition ALONE is exactly what drives prices down.
The endless supply of students with a government guaranteed loan is why they are not going down, why would they? It completely violates the most basic element of our economy.
Fully socializing those things is a solution better than what we have now, but that is the point where those things stagnate (US K12) which is why I prefer the free market solution and still think it is perfectly capable of producing exponentially more opportunity than the car without an engine (socialism).