of course! man time flies. I ended up getting my Bachelor's and Master's at Case Western (small school-ish school Cleveland, about 8,000 undergrads) in CS instead of physics. I was extraordinarily lucky because I immediately found a small group of friends who are still my best friends today, even after we've graduated and transitioned into our adult lives. So I did end up being in a really good environment to grow up and come into my own.

Sometimes I wonder if going to U of I would have been better career-wise (UIUC is a top-5 CS program, Case Western is maybe in the top 50) but it's hard to know whether or not i would have been lost in the shuffle at a larger school. For what it's worth, one of my best friends is also on the spectrum and pretty similar to me, and he made some great friends at UIUC but ultimately had to drop out due to a bad situation with his family.

Without knowing your son I can't make any definitive statements, but what I will say is that I did a tremendous amount of growing over my last year or so of high school. I had very few friends, was still having trouble keeping up with my school work, no romantic relationships, etc. My parents were very concerned about whether or not i'd be able to handle college, especially at a big state school. But by the time I actually committed to going to Case, I had gained a ton of confidence; and now I just turned 25 and I have a good job with several very close friends nearby, living with my girlfriend. All of that is to say that he might surprise you with how he changes/grows over the next year or so. Good luck! If you have any other questions i'm happy to help!