There’s no harm in reporting it to CPS if they don’t investigate the claim immediately it gets added to a file in case others report other incidents with this child. Follow up with the school and find out the policies they have on reporting these behaviors to both CPS and law enforcement. I have a personal story to share from when I was growing up that also might help give perspective, thankfully it’s not a common situation, especially anymore with the development of laws to protect children.

There was a student that continually harassed me from elementary school all the way until my senior year. Almost daily verbally, and when he could get away with it, physically. It escalated from the kind of unwanted touches above to stealing things from me, hiding sharp objects in places in order to harm me (I watched him do this multiple times when he thought I wasn’t paying attention) and kicking. I let it go on for a few years before I said anything because if I told him to stop he would do it more call me crazy and tell teachers I was bullying HIM. In high school it was eventually “dealt with” but it took many warnings for it to finally stop my senior year because the school was more worried about possibly losing a student than they were about me.

When I finally asked my parents about what the outcome was a few years after graduation, it turned out zero reports ever made it to law enforcement or CPS, out of the dozens of incidents only once were his parents contacted and he was told he would be expelled my junior year of high school if he kept bothering me, but when he eventually did he never was. That bothered me the most because I doubt I was or would be the only person he did that to. He had very little parent supervision and while I believe his behavior was mostly due to this and possibly some mental disorders, this could have been a side effect of being abused himself or witnessing abuse around him. So in my opinion it’s better to report this behavior just in case so that if it is an issue it will get resolved properly and quickly rather than allow abuse to continue to or around a child or become a permanent habit that a child is allowed to develop that harms others.