Yep and that will only make him more manly.
I remember getting into fights daily at our bus stop as a kindergartner with all of the blond older boys. I was the only one with dark hair and an easy target.
In about two years after a baseball bat assault on a 12 year old - nobody messed with me.
What no one tells you about gubmint run schools is that they’re effectively Fight Clubs for young boys. Trust me, I know. Fortunately my son is smart and a purple sash in Kung Fu. The first 3 years were Kommando Academy for him as he used to get into it every day! (Ex- wife won’t let him go to a real school...don’t ask)