Yeah, that was my issue with the conversation. Like what's the point of any of the secrecy if you're just going to yell out that you're in the resistance to a random stranger?
I remember once in the morning Dark Ages of Camelot, someone was complaining that I kept letting him die when it was his fault. My only response was, "I get more xp to revive you than when I heal you."
At this point parents and the principal should be involved. Forcing students to only write information in support of the allegation with the threat of punishment is not how you get factual statements.