How often is that enrichment class? Is 7 of 10 good or bad based on your boy's picky/please you level?
If the friends are not around, then maybe now is a great time to experiment.

New schools are tough because there are always bumps to be ironed out, but in 2nd grade I wouldn't be worried about extracurriulars, I'd be looking for wonderful teachers who get him.
Good luck,
Grinity

Coaching available, at SchoolSuccessSolutions.com