Earlier quoted context omitted.
Efforts must be made to eliminate systematic biases in standardized testing. When we are reasonably convinced that has been done, as far as I'm concerned it's all just how the cookie crumbles. Make sure that you're acceptance policies are merit based, and damn the consequences.
Merit-based access to education is an extremely debatabe proposition. Should a quality education be limited only to the already brilliant? Is it a better outcome to make a high-potential kid very well educated or a medium-potential kid basically educated? Remember that both become voters in a democracy. West Wing had a nice conversation about this with regard to Affirmative Action beteen the black intern and the cons…
So yeah, I feel like I got negative value out of my public school experience. But, my mother was a teacher; and she taught me to read and supplied me with books. Without reading as much as I did? I would have gotten nowhere. My dad? mid-level IT manager. My step dad? a computer programmer. I had access to computers from the age of three, programming environments, and parents who would help me learn about that shit.
My experience would indicate that the children of people who don't have valuable skills to pass on to their children would benefit much more from a public school "education" than I could.