"Education appears to be the most consistent, robust, and durable method yet to be identified for raising intelligence." That is not opinion. A large meta-analysis just proved it. One extra year of schooling adds roughly 1 to 5 IQ points. Researchers analyzed 42 datasets and over 600,000 people. 𝗘𝗱𝘂𝗰𝗮𝘁𝗶𝗼𝗻 𝗰𝗮𝘂𝘀𝗲𝘀 𝗶𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 𝗴𝗮𝗶𝗻𝘀 Smarter students staying longer is not the explanation. The study isolates cause using policy changes and age cutoffs. It compares people forced to stay longer in school against near-identical peers who were not. 𝗧𝗵𝗲 𝗲𝗳𝗳𝗲𝗰𝘁 𝗶𝘀 𝗿𝗲𝗮𝗹 𝗮𝗻𝗱 𝗺𝗲𝗮𝘀𝘂𝗿𝗮𝗯𝗹𝗲 Each added year improves: - Reasoning - Memory - Verbal ability The average gain is about 3 IQ points.

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