Dreams about school often symbolize learning, personal growth, or unresolved feelings from the past. In your dream, the setting of your old school suggests a return to a formative period in your life, possibly indicating a desire to reconnect with your past or a longing for guidance and support from influential figures.

Searching for your current favorite teacher may represent a need for affirmation or mentorship in your current life. The sadness you felt when others informed you that she wasn't there could reflect feelings of disappointment or a longing for connection in your waking life. This could imply that you might be feeling unsupported or missing guidance in your current circumstances.

The appearance of your old favorite teacher signifies an unexpected source of comfort or wisdom. Her regret about not visiting you might resonate with feelings of missed opportunities or connections in your life. This part of the dream suggests that you may be reflecting on relationships that have faded or the importance of reaching out to those who have made a positive impact on you.

Overall, this dream may be urging you to seek out connections with mentors or guides, whether they are current or from your past, and to consider reaching out to those you care about who might be feeling similarly. It could also be a reminder of the importance of nurturing relationships that bring you joy and support.