This dream may symbolize a fear of being exposed or discovered for who you truly are. The school setting represents a place of learning and growth, where you are constantly evolving and developing your identity. The lady agent could represent a figure of authority or influence in your life, who is trying to protect you from a perceived threat. The disguise given to you and your friends may represent a desire to hide your true self or to conform to societal expectations. The bad man could represent a negative aspect of yourself or someone in your life who is causing you harm. The fact that he turns out to be an adult version of a classmate suggests that this negative influence may be someone you know well. Your actions of hiding and pretending to be someone else may reflect a fear of being judged or rejected by others. The classmate who acts as your son could symbolize a need for guidance and support in navigating this complex situation. Overall, this dream may be highlighting your struggle with identity and the pressure to conform to societal norms.