Crossword puzzle clue "get at least a d in a class"

Get at least a D in a class

Least of the least?

Least popular child in the 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