D2 & D3 coaches are generally not scouting 15U players. Somebody isn't being real with you.
stay patient, let the kid develop, playing lots of positions is a good thing.
my 16U kid played 3B/1B/2B/SS this spring as well as a couple of innings in LF. This Summer so far he's mostly played 1B with a game or two at 3B.
None of it really matters, it's all about whether you can hit, or not. Versatility is a good thing.