Originally Posted by BWBShari
My DS for his part just tells people it's because he's completed all of the other grades.

Yes, I think it helps that my DS spent at least part of the year in K and 1st before being accelerated to 2nd. So he can say, "I was in Ms. So-and-so's first grade last year." Somehow, people are more willing to accept that he is in 2nd and didn't "skip" anything.