(Responding more to the title than the well written article itself:)
The question is never what would be good to add to a curriculum; the question is what we should remove.
Students _could_ have classes on statistics, critical thinking, physical education, some sort of art, the "classics", religion, emotional intelligence, resilience, entrepreneurship, ...
Share a point-of-view on which parts of the high school curriculum should be dropped to make room for these and then we can have a _real_ debate (slash argument).
The question is never what would be good to add to a curriculum; the question is what we should remove.
Students _could_ have classes on statistics, critical thinking, physical education, some sort of art, the "classics", religion, emotional intelligence, resilience, entrepreneurship, ...
Share a point-of-view on which parts of the high school curriculum should be dropped to make room for these and then we can have a _real_ debate (slash argument).