I'm proud of your son for standing up for himself. Hopefully the boy's mother will take him seriously and help put an end to the bullying.
Wow, well, your son definitely has some guts! And I can understand you're feeling a bit blindsided by his behavior - we don't usually expect our kids to address isues like this with other kids' parents! But maybe this will give you an opportunity to speak further about this situation with the bully's mom? Perhaps if you two can get on the same page, you can have a game plan for creating a united front in responding to this. Of course, ultimately, if this really does get out of hand, the school should be serious about addressing it and stepping in to stop any fighting. Although I know that's easier said than done. But I hope things start smooth out between your son and this boy. Hang in there!
I do also have to say that the 'bully' thing at 6 years old is a bit blown out of proportion. Many kids do some really rotten things at that age and they aren't actually bullies but misguided, misbehaving kids. A guy who was mean to you in Sept. of first grade can be your buddy by November. It changes that quickly at that age.
My son's bestest buddy, and I mean, they have the kind of friendship that warms a mother's heart. They get each other. Laugh at the same things. Are loyal. Talk to one another. Just really good friends. These two could not stand each other until third grade.
Anyway, good luck. It's amazing how these situations are pretty universal first grade experiences.
I think your son did exactly the right thing. Sometimes, what he said needs to be said.
The mother does sound like a graceful person, not like she'll turn into some kind of nut. I think it's a learning thing for both mother and son to hear, and even the staff that were standing by and are often too afraid to just say the truth.
Welcome to the world of 6 year old boys.
Nothing may come of this. Or they may wind up best of friends. Or they may whack each other - which with guys usually works to end things - and never talk to each other again or become friends.
It is important for the staff to let your son know that he is not defenseless.
Keep us posted.