Explorable models are a great way to increase engagement and understanding. Beyond that, I would supplement this with highly frequent comprehension questions to check for learning. I bet you'd find a way to make it fun and approachable.
Please no!
Part of the beauty of this exposition is the respect for the reader knowing their own mind and controlling the consumption themselves.
You don't understand it but want to? Don't scroll.
You don't want the next bit? Don't scroll.
Will this work for teachers in a classroom? Likely not as the kids who don't care, will skip everything they can. And this page will let them, because if you don't care to understand then this page is not for you.
One suggest to Bartosz: breaking one long essay into many smaller pages or hiding content until the viewer has indicated understanding of previous steps will be even more useful (see: https://tigyog.app/d/H7XOvXvC_x/r/goedel-s-first-incompleten...).
Explorable models are a great way to increase engagement and understanding. Beyond that, I would supplement this with highly frequent comprehension questions to check for learning. I bet you'd find a way to make it fun and approachable.