Am I convinced that Ostro is "the Great Genius"? no, not even 'a great genius'.
Am I willing to pay for Ostro's schooling? I'm in no position to do that.
I will suggest that Ostro start studying on his own. He can do that for free and if he ever enrolls in a college or university, already knowing lots of the material will only be helpful.
Given your personal interests, you might want to read this.
https://publishing.cdlib.org/ucpresseboo...nd=ucpress
If you are really serious about educating yourself, you probably should shape your reading around a typical university syllabus in a subject of interest to you. That way you start at the beginning and master the fundamentals before you try to understand more advanced material that presumes that you already know those fundamentals.
Openstax has a whole assortment of totally free freshman level college textbooks that you can read online or download as pdfs. So teach yourself trig or calculus. Learn introductory level university chemistry or physics. All for free, without annoying professors or the pressure or expense of formal university study.
https://openstax.org/subjects/view-all
When you have mastered what is in effect the freshman-sophomore university syllabus, you might explore the many more advanced university level texts available for free online. For example
https://publishing.cdlib.org/ucpresseboo...and=eschol
Start reading the journal articles. At some point you will know something about what the professionals are arguing about in the literature, and you will start to have ideas of your own about those things. That's something that you have to build up to step-by-step.
The Scivillage 'Academic Resources' forum will be valuable for an independent learner
https://www.scivillage.com/forum-46.html