If one misses out on their indoctrination, they can become a problem for society or competition for the corporations.

There is a reason that so many people go to university for a decade only to come out and get a job working for someone who quit school in their teens.

The education system is structured to prepare you for a life of working 9-5, being a good little slave for your masters. Not to mention crippling your ability to think critically to limit the chances of you being able to overcome the position you are forced into.

I feel that they can't afford to allow too many people to skip school and end up smarter and wiser as a result of it. An example must be set to deter others from doing the same.