Crossword puzzle clue "put into a class"

Put into a class

Whence the line "Into the eternal darkness; into fire and into ice"

Put to death — put into effect

"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