Crossword puzzle clue "best of a class"

It won the 2003 Tonys for Best Musical, Best Book, and Best Score

"Class of" class

Class where you might learn about class, informally?

Second in his class in West Point's class of 1829

History class: F -- “The professor ignored my attendance record and class participation, judging me entirely on ___”

Class, level or class level

Class within a class

Best-in-class