Students do not receive notifications for their exam scores.
As teachers and school districts have varying grading policies, the scores for exams are not sent to the students. Teachers notify students of their exam grades.
Keep in mind that when a teacher enables Corrections for an exam, the student will view and correct the problems missed on the exam. Corrections are completed in Mixed Review.
When a teacher enables Corrections, the students must fix the mistake from the exam AND solve a fresh problem (earn a point) similar to the missed problem. Then, the student will have the $ sign above and below the dotted line in Mixed Review. To earn points in Mixed Review, the student must complete the exam corrections when Corrections are enabled.