Tell him to apply to UoP and get an accredited degree tuition free online https://www.uopeople.edu/programs/cs/degrees/computer-scienc... it's $4k or so for 4 years of exams ($100 each). Problem with self-learning courses is most people decide to skip things they believe won't be useful but actually are, which is why they are in the university curriculum, then later they get lost since they didn't do all the pre-reqs. UoP also has TAs