Crossword puzzle clue "high class horse"

"A horse is a horse" horse

High-class horse

High-level high school science class, briefly

"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