Very well, actually. I'm at a school mainly for autistic kids(although that's changing, but it used to be).
I thought my social skills wouldn't develop because I'd be talking to people that also had poor social skills.
But that's not true at all, they do still develop. We communicate pretty well with eachother since the start, just a bit in a different way. So I don't know if ''normal'' people would call it well, but still. Also, I remember when I went to a drawing class, and the first guy I befriended turned out to also be autistic. I guess kind seeks kind.
I do think it depends on the person though, and the circumstances that person has been in.