No it wouldn’t all of these kids are Japanese, and generally Asian kids here they are the least confrontational. There might be a fight with their hands only at worse. Realistically MC gets suspended with potential for expulsion and possibly sued.
Calling it, this guy only started making moves on Kubaru because she made the first move off-screen, all because she wanted to see what Yuuto would do. He still doesn't seem to understand the title of the manga.