For some small percentage of high schoolers who can learn calculus, that knowledge will be worth ~100k a year for 40 years- and worth far more than that for the

For some small percentage of high schoolers who can learn calculus, that knowledge will be worth ~100k a year for 40 years- and worth far more than that for their bosses. We can’t tell in advance who is in that percent, so we hedge by teaching it to all of them.