Think of school as a weight room an athlete uses. Nothing he or she does in there is ever done on a playing field, but it trains their body. School is about training your brain.
If you are about to enter the work force, remember you will start in an entry level job. The expectations for you will not be the same as for someone who's been there 30 years. You will still have a lot to learn, but much of it is done on the job - and that's OK.