Crossword puzzle clue "get an f in a class"

"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

You might get his number in chemistry class

Its premium class customers get Shalom Service