There is one constant throughout the past 100 years. Professors of education came up with ever more exotic schemes and nomenclatures for how education should be organized, even as these schemes confused students and destroyed achievement.
Each scheme had a catchy name (Open Classroom, Life Adjustment, Multiculturalism, Constructivism, Common Core) and a phalanx of resistance-is-futile jargon. Somehow the proposals didn’t translate into gains. One might cynically conclude that the jargon was a goal in itself (to get a grant, to build a career, to impress ordinary citizens). You may even suspect that the larger purpose of all these schemes is to create an illusion of seriousness, and to fool parents into thinking that their kids are being educated when that is not the case. I suspect as much.