Earlier quoted context omitted.
The sad thing is that students from poorer and racially segregated areas are paying for 18 years of falling behind by the time it comes to college. When some high schools have barely literate graduates betrayed by adverse conditions their whole life, it's hardly shocking that it results in college admission readiness being grossly skewed. Not that I want to oversimplify.
And why not fix this issue? There is multiple options. You could build something like large prisons somewhere. Ship all the kids there from age 6 to 18. And then shuffle them randomly around every 6 months. Thus ensuring everyone gets exactly same experience and education. Equity for everyone!
It would be more constructive to improve teacher education, wages, and standards to create a more productive and better resourced education system.
You could look to countries such as Finland et al for a model rather than drawing upon satirical dystopian ankle deep in thought Harrison Bergeron scenarios.