Eh, for secondary education it's more of a "breadth, then depth" minmax pruning exercise - you go through 10 or 20 courses like biology, physics, economics, d

Eh, for secondary education it's more of a "breadth, then depth" minmax pruning exercise - you go through 10 or 20 courses like biology, physics, economics, drama, calculus, journalism, etc. and then you winnow those down into things to pursue further, rinse, repeat... By the time you're 3 years into med school or a graphics designer job, forgetting trig or how a Constitutional amendment is ratified is a feature, not a bug.