Your dream seems to reflect a mix of social dynamics and personal feelings, particularly related to your school environment and your crush. Here are some insights into the key elements of your dream:

1. School Event: This setting may symbolize your current social life and peer relationships. It highlights your feelings about belonging and participating in group activities.
2. Talking with Friends and Crush: The presence of your crush indicates feelings of attraction or admiration. Engaging in conversation with them can represent your desire for connection and perhaps the fear of being left out or not being able to express your feelings fully.
3. Bus Journey: The bus represents a journey or transition in your life, particularly regarding your social relationships. The fact that you had to take a different bus could symbolize feeling separated from your friends or your crush, which might reflect anxiety about social situations or wanting to be closer to someone.
4. Unsafe Buses: The spinning seats could suggest feelings of instability or uncertainty in your life, particularly in social contexts. This may indicate that you feel overwhelmed or anxious about your current situation.
5. Barbie Dreamhouse: The colorful, fantastical environment could symbolize a desire for fun and escape from reality. It might also represent aspirations for a more idealized life or experiences.
6. Locking the Room: This struggle could signify a desire for security and control in your life. Not being able to lock the room may reflect feelings of vulnerability or uncertainty about your current situation.
7. Ballroom with Presents: This element may symbolize celebration and the potential for joy and abundance in your life. It could represent hopes for positive outcomes in your relationships or personal achievements.

Overall, your dream suggests feelings of excitement, anxiety, and a desire for connection within your social life. It may be beneficial to explore these feelings in your waking life, perhaps by finding ways to strengthen your friendships and navigate your feelings for your crush.