In my experience even a CS degree is not a very good predictor of how good a software engineer someone is, I've met recent CS grads who could not build a stable

In my experience even a CS degree is not a very good predictor of how good a software engineer someone is, I've met recent CS grads who could not build a stable piece of software to save their lives. Past experience building actual software however is generally a good indicator. With that said this question really has no answer, some math grads are better, some CS grads are better and some beauty school dropouts are better.. as with anything that requires learning and applying a skill those who work harder or are blessed with a talent in the subject tend to be more successful.