Dreaming of feeling lonely, especially in a familiar setting like a school, can be quite significant. Schools often symbolize learning, development, and social interactions. Your feelings of loneliness and helplessness in the dream may reflect underlying emotions or situations in your waking life, even if you don't consciously feel lonely.

This dream may indicate a desire for connection or a fear of isolation. It could suggest that you are currently experiencing feelings of disconnection from others, or perhaps you're facing challenges in social situations that make you feel vulnerable.

Consider reflecting on your current relationships and social environment. Are there areas where you feel misunderstood or disconnected? This dream might be an invitation to reach out to others, express your feelings, or seek new social opportunities.

Additionally, it might be helpful to explore activities or groups that align with your interests, where you can meet new people and build connections. Remember, dreams often act as a mirror to our emotions and experiences, guiding us to take action in our waking lives.