You read cyberpunk novels and thought "yeah, I would love my country to be governed by megacorps from cradle to grave".
It's not necessary that corps own the education, but they they have schools within a school to deliver the education that they are expecting from new graduates.
Public education is also something you are responsible for as a citizen. If it is shit, it is so because you let it be. Assume your responsibilities instead of hoping for "enlightened" corporate lords to do it for you, peasant.
Previous company "did that", but what it amounted to was young HR women filtering all candidates before engineering saw them or their resumes, and you had to pick from their not-so-great candidates they got based on gender or race. Also interviewers could not see what other interviewers said - so we got bypassed as well behind the scenes
Instead, they should put their effort on pipeline. From kindergarten, drive kids to want to participate in a dynamic economy instead of pursuing selling themselves short and perhaps getting involved in the underground economy, dead-end jobs, etc. Go give it a go in all areas of the nation that are under-served. That is the way to do it. If you do it any time later, like at hiring time, then you risk hiring on things other than merit.