> By using the metrics you use, you are limiting your son and yourself. Those metrics come with a hard ceiling. Where the Ivies are going, there are no ceilings, there are no metrics in the first place. World class admissions means being open to von Neumann-scale, I-didn't-believe-that-possible possibilities to surprise the admissions committee and delight in that.

This is worded extremely well.

I think many people grossly underestimate what a motivated and talented high schooler can do, largely due to the conceptual ceilings that are pervasive in our society.