ACT, the college entrance exam company, did a very interesting study. They took the ACT test, and did job analysis across a number industries to determine what “scores” are needed to succeed in entry level, middle level, and high level jobs. They then backed they scores into the most recent graduating class to see how well the US population is prepared.
The bummer news is that there are some serious gaps. I encourage you to take a look at the study and see how it applies to your specific industry. The link is below: