I went to public school in the US. We read the book _The Wave_ in 9th grade (possibly 8th, I don't really remember. It was early high school.) I don't remember

I went to public school in the US. We read the book _The Wave_ in 9th grade (possibly 8th, I don't really remember. It was early high school.) I don't remember ever discussing that it was based on a true event. I didn't learn that until much later. I feel like it would have had a much bugger impact if that fact had been included in the lesson.