highest honors; summa cum laude
Used in academic contexts for the highest level of distinction, equivalent to summa cum laude. Often appears in formal descriptions of graduation honors.
He graduated from university with highest honors.
Students who achieved the highest distinction were recognized.
首席 refers to the top-ranking student (valedictorian), whereas 最優等 is a grade-based distinction (summa cum laude) that may be awarded to multiple students.
Formed from 最 “most” and 優等 “excellence; honors,” denoting the highest degree of distinction.