Very interesting. The point made in the article is simply that there is no institutional purpose to a “middle” school, and what we get is something that loses both the more parental contact of elementary school and the academic rigor of high school.
At the very least, the anecdotal perspective I have, with many friends identifying middle school as the worst time in their life to date, seems to align with the idea that our current paradigm isn’t doing students any favors.
My own perspective found this idea a little shocking, but really only because this would require a shake-up of the academic regime. It’s an inherently conservative notion to leave institutions as they are…but the conservative path isn’t always the right one, even if it’s often the easiest for our brains to deal with.