Crossword puzzle clue "class of '12 in 2012 e g abbr"

Class of '12 in 2012, e.g.: Abbr.

"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

Group Gen. David Petraeus led until November 9, 2012: Abbr.