I have a problem with this method: "Payscale draws on its information about alumni salaries. It calculates the expected earnings of a newly minted graduate over a 30 year career by summing the median incomes of alumni from his or her school who graduated between one and 30 years ago." Yes, I know that college was worth it 30 years ago, and even 15 years ago, and even 10 years ago. That is not the real question. The q…
I think that's a very good point, considering that (1) the cost of college education has been rising very steeply in recent years and (2) unemployment and underemployment among college grads is currently very high (there are tons of college grads who would be overjoyed if they could only get an unpaid internship).
If you really want to treat a college education as an investment, you have to keep in mind the disclaimer that anyone selling an investment has to make:
"Past performance is not a guarantee of future results."