You might try joining the same clubs or activities as Shane and getting to know him that way.
One way to get Shane is to show genuine interest in his hobbies and passions. Also, attending school events where he's likely to be present and making an effort to interact positively can work.
Well, you could start by being friendly and approachable when you see Shane around school. Maybe offer to help him with something or strike up a casual conversation about shared interests.