Exam dreams chase even people who left school decades ago. They surface when life is testing you: a review at work, a new role, a relationship milestone. Arriving late, finding the questions unreadable, or realizing you never attended the class — each is the psyche dramatizing the fear of being caught unprepared.
The secret of this dream is that it usually visits conscientious people; the careless rarely dream of failing exams. Take it less as prophecy and more as pressure finding a valve. Ask who you believe is grading you in waking life — and whether their exam is one you still need to sit.