Just like in startups, you get what you measure. In school, you measure by grades, so you get students who play the rules to get good grades. Also see Goodhart

Just like in startups, you get what you measure. In school, you measure by grades, so you get students who play the rules to get good grades. Also see Goodhart's Law: "When a measure becomes a target, it ceases to be a good measure."[0] [0]: https://en.wikipedia.org/wiki/Goodhart%27s_law https://en.wikipedia.org/wiki/Goodhart%27s_law