Thursday, baby

tawillers

Agreed.  I also realized after I posted the link that your problem wasn't necessarily finding the toddler sizes at all, just trying to find them in store.

GBCK

I know I had gotten a cousin's kid uniform stuff @ cookieskids, I remember them having cheap/small sizes.
http://www.cookieskids.com/school_uniforms.aspx

But that may or may not be useful at this point (and I remember their shipping being overpriced)