>english is probably not correlated tightly with IQ as it is more affected by language background and education. No, see: https://en.wikipedia.org/wiki/G_facto

>english is probably not correlated tightly with IQ as it is more affected by language background and education. No, see: https://en.wikipedia.org/wiki/G_factor_(psychometrics) https://en.wikipedia.org/wiki/G_factor_(psychometrics) English and math has a 0.64 correlation.