This kid is from a certain social background and is likely to associate with kids from a similar social background, unless he is a networker par excellence and has contacts all over the globe with teenagers from every income level and education level.

There are untold variations on that, and each of those subgroups has their own 'averages', this kid is at best - and I'm not saying that he is, just leaving open the possibility - in the middle of his own subgroup.