I'm not sure our Department of Education is effective, and I think some children actually are being left behind, despite the "no child left behind" effort.
Why even consider that another standard could be in use, like others have pointed out in the thread, when you have political priors to confirm? Stay classy HN!
What? It’s widely known that over half of American adults read at or below a sixth grade level. This is a result from 2020 so it shouldn’t be news to you.
