I genuinely am not 100% sure what the point of the education system is or how I would live without school, however I believe that I would further my pursuit of what I find to be real knowledge and life experience and spend my time intentionally with those I love and working towards a greater goal. — pursuitofknowlege
I suspect the vast number of doctors, lawyers, accountants, computer programmers, financial analysts, upper level managers, insurance underwriters, engineers, educators (including philosophy professors) rely upon what they learned in school in their day to day lives. Of course school is not all you need, but it is an important component.
There are also the trades, and maybe you grew up around and learned on your own, but there are plenty of plumbers, electricians, auto mechanics, HVAC repair people and the like that also learned their trade through formal education.
Of course there are values to education beyond the pragmatic, which is the argument for liberal arts education. There are those (like me, for example) who believe it enriches lives in less tangible ways, arguing that we do not require a metric to prove such education has value.
The proof though is in the pudding. Take a look around you at those who decided to forego a formal education and see where they have landed. The stats don't paint a pretty picture for the high school dropout.
There is a particularly foolish trend in rejecting higher education that says the cost of the degrees are not worth the payoff, computing the value of the education against the debt you will be left with, especially those degrees that do not provide directly translatable skills. That is not a good argument against higher education. That is a good argument for why we need to reconsider how education is paid for. Because higher education is a high demand item because it can directly impact your social class, people are willing to take out massive loans for it and the government is willing to provide the money for it. That has resulted in the universities raising their fees to see how much loan money they can extract, and the costs have spiraled out of control, leaving students with debt they cannot ever hope to repay.
My advice would be to find an affordable education. It's well worth it. Like it or not, those who subscribe to the theory that formal education is a waste of time will not be the ones making the important decisions where you live.