valedictorian

noun

1. the student with the best grades who usually delivers the valedictory address at commencement
   Terjemahkan ke Indonesia sumber: wordnet30
2. 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.
   Terjemahkan ke Indonesia sumber: webster1913