Valedictorian

noun

1. The student with the highest academic rank in a class who delivers the valedictory at graduation.
2. In American colleges and some academies and high schools, the student who pronounces the valedictory oration at the annual commencement or graduating exorcises of his class: usually chosen as the scholar bearing the highest rank in the graduating class, as the best representative, for various reasons, of the whole class, or as otherwise worthy of special distinction.
3. One who pronounces a valedictory address; especially, in American colleges, the student who pronounces the valedictory of the graduating class at the annual commencement, usually the student who ranks first in scholarship.
4. The individual in a graduating class who delivers the farewell or valedictory address, usually the person who graduates with the highest grades.
5. The individual in a graduating class who graduates with the highest grades.