This dream may symbolize a desire to revisit and reconnect with your past, specifically your elementary school years. The kindergarten-style classroom and presence of your past teacher and classmates suggest a longing for simpler times and a sense of nostalgia. The mini hello kitty spiral notebook may represent a desire to hold onto and preserve memories from your childhood. The text on the first page could represent a lesson or message from your past that you are still carrying with you. The math assignments from 1st semester may symbolize unfinished tasks or unresolved issues from your past that you may need to address. The grades you received on these assignments may reflect your feelings of success or failure in certain areas of your life. The boy sitting in front of you may represent a part of yourself that you need to confront or acknowledge. Overall, this dream may be a reminder to reflect on your past experiences and how they have shaped you into the person you are today.