Dreaming about a high school sweetheart often symbolizes feelings of nostalgia and a longing for simpler times. This dream may reflect a desire to revisit a time when love and relationships seemed innocent and uncomplicated. It can signify a yearning for emotional connections from the past or the need to recapture the excitement and passion of young love.

Alternatively, dreaming about a high school sweetheart could suggest unresolved feelings or unfinished business with this person. It could signify a need for closure or a reminder of lessons learned during that period in your life.

Overall, the presence of a high school sweetheart in a dream may indicate a longing for emotional connection, a desire for simplicity and joy, or the need to confront and resolve unresolved emotions or unresolved matters related to a past love interest.