**Clarification: my son and the other classmates do NOT "Bully" that boy in their class. The school and Teacher does not tolerate that. They have workshops on it for the kids. They KNOW the school's rules.
Assuming my son and the classmates are "bullying" that other classmate, is not correct. And no, he is not "labeled" at all. But if that child is bothering others, the kids do say so. I know this boy and his parents... the parents know their son. This boy, has friends including my son, and they all play together. But the boy, routinely disrupts the class. The Teacher handles it. It is a must. The boy, calls me "Aunty" and even hugs me when I am there. There is no bullying. But the boy needs correction. He is not ADD or anything.
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The classmates are doing that because... THEY are getting irked/irritated by your son. And they don't want him by them and they don't want to be by him because he is bothering them. And the kids are speaking up. Most kids are taught to speak up... if someone bothers them etc. I teach my kids that.
Sure, the Teacher is in charge of the class. But, they don't have eyes around their head.
My son has a classmate like that in his class. My son speaks up to him and tells him to "stop..." or "go away..." or he tells the Teacher. All the other kids find that boy irritating too. The Teacher knows about that boy and daily... he has to be corrected and the parents called. The boy even had to go to the Principal's office once.
That boy, is just very bothersome. And he disrupts the class/classmates... AND that also means, he disrupts the other kid's learning time. I am sure, the parents don't appreciate that.
My son's Teacher is very proactive and attentive, but she has a classroom of other kids too. And, at any given second, she can't just be RIGHT next to that bothersome boy. So, if a he is irking some kid, the kids will speak up and tell that boy to "stop it...."
I am there in that class because I help in my son's room. The Teacher... even made that boy APOLOGIZE to me AND my son... because he was being bothersome. After that, the boy was more respectful.
Now, a kid, by 2nd grade, needs to learn classroom rules and manners.
It is not always the teacher's fault or the other kids. The other kids are "bossying" your son, because he is bothering them and they are speaking out. OR, perhaps one day a kid will go home and tell their parents. And then a parent complaint may occur.
The Teacher, also needs to handle it.
It is causing an impediment and disruption to the other kids and their learning time and quality.
Perhaps, talk to your Pediatrician.
And perhaps, the school, do they have other programs for kids that are bored or need to be assessed? Or any gifted classes?
Maybe, he needs to be in another type of learning environment.
And not in mixed aged classes.