Mick didn't finish the LSE;
Keith, Charlie and Ronnie all attended art school.
i guess Charlie graduated; i'm not sure about Ronnie.
there are lots and lots of sites with Stones biographies where you can find out.
you might try googling "Mick Jagger (or whichever Stone) biography" and/or look at:
[
www.timeisonourside.com]
"What do you want - what?!"
- Keith