Nothing scary about this at all.
Update: apparently already backtracked: https://abcnews.go.com/US/trump-preparing-executive-order-telling-education-secretary-dissolve/story?id=119499614
This might be the normal Trump tactic of floating horrible ideas, so don’t be surprised if it comes back later.
The education department is constitutional due to a loophole in the commerce section I believe. Though its heavily debated as to whether it should be a states right.